Home / 1,230,762,407.80-1,846,143,611.70-369,119,399.80

Finding the Fourth Proportional to 1,230,762,407.80, 1,846,143,611.70 and 369,119,399.80

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Solution

The fourth proportional to 1,230,762,407.80, 1,846,143,611.70 and 369,119,399.80 is: 553,679,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,762,407.80 : 1,846,143,611.70 = 369,119,399.80 : x
  2. Step 2: Convert to fraction form
    1,230,762,407.80/1,846,143,611.70 = 369,119,399.80/x
  3. Step 3: Cross multiply
    1,230,762,407.80x = 1,846,143,611.70 × 369,119,399.80
  4. Step 4: Simplify right side
    1,230,762,407.80x = 681,447,421,895,308,288
  5. Step 5: Solve for x
    x = 681,447,421,895,308,288/1,230,762,407.80
  6. Step 6: Final answer
    x = 553,679,099.70

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Double scale
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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.