Home / 933,001,938.16-1,287,535,022.98-509,615,869.38

Finding the Fourth Proportional to 933,001,938.16, 1,287,535,022.98 and 509,615,869.38

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Solution

The fourth proportional to 933,001,938.16, 1,287,535,022.98 and 509,615,869.38 is: 703,265,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,001,938.16 : 1,287,535,022.98 = 509,615,869.38 : x
  2. Step 2: Convert to fraction form
    933,001,938.16/1,287,535,022.98 = 509,615,869.38/x
  3. Step 3: Cross multiply
    933,001,938.16x = 1,287,535,022.98 × 509,615,869.38
  4. Step 4: Simplify right side
    933,001,938.16x = 656,148,280,089,509,376
  5. Step 5: Solve for x
    x = 656,148,280,089,509,376/933,001,938.16
  6. Step 6: Final answer
    x = 703,265,720.31

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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.