Home / 1,230,769,412.40-1,846,154,118.60-369,126,404.40

Finding the Fourth Proportional to 1,230,769,412.40, 1,846,154,118.60 and 369,126,404.40

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Solution

The fourth proportional to 1,230,769,412.40, 1,846,154,118.60 and 369,126,404.40 is: 553,689,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,769,412.40 : 1,846,154,118.60 = 369,126,404.40 : x
  2. Step 2: Convert to fraction form
    1,230,769,412.40/1,846,154,118.60 = 369,126,404.40/x
  3. Step 3: Cross multiply
    1,230,769,412.40x = 1,846,154,118.60 × 369,126,404.40
  4. Step 4: Simplify right side
    1,230,769,412.40x = 681,464,231,767,069,056
  5. Step 5: Solve for x
    x = 681,464,231,767,069,056/1,230,769,412.40
  6. Step 6: Final answer
    x = 553,689,606.60

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Half scale
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Double scale
Find fourth proportional to 1,230,769,413.40, 1,846,154,120.10 and 369,126,405.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.