Home / 649,541,533.60-974,312,300.40-511,792,026.40

Finding the Fourth Proportional to 649,541,533.60, 974,312,300.40 and 511,792,026.40

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Solution

The fourth proportional to 649,541,533.60, 974,312,300.40 and 511,792,026.40 is: 767,688,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,541,533.60 : 974,312,300.40 = 511,792,026.40 : x
  2. Step 2: Convert to fraction form
    649,541,533.60/974,312,300.40 = 511,792,026.40/x
  3. Step 3: Cross multiply
    649,541,533.60x = 974,312,300.40 × 511,792,026.40
  4. Step 4: Simplify right side
    649,541,533.60x = 498,645,266,568,161,472
  5. Step 5: Solve for x
    x = 498,645,266,568,161,472/649,541,533.60
  6. Step 6: Final answer
    x = 767,688,039.60

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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.