Home / 1,152,587,420.39-1,590,570,303.19-623,951,014.25

Finding the Fourth Proportional to 1,152,587,420.39, 1,590,570,303.19 and 623,951,014.25

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Solution

The fourth proportional to 1,152,587,420.39, 1,590,570,303.19 and 623,951,014.25 is: 861,052,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,587,420.39 : 1,590,570,303.19 = 623,951,014.25 : x
  2. Step 2: Convert to fraction form
    1,152,587,420.39/1,590,570,303.19 = 623,951,014.25/x
  3. Step 3: Cross multiply
    1,152,587,420.39x = 1,590,570,303.19 × 623,951,014.25
  4. Step 4: Simplify right side
    1,152,587,420.39x = 992,437,953,901,817,728
  5. Step 5: Solve for x
    x = 992,437,953,901,817,728/1,152,587,420.39
  6. Step 6: Final answer
    x = 861,052,217.25

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Half scale
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Double scale
Find fourth proportional to 1,152,587,421.39, 1,590,570,304.57 and 623,951,015.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.