Home / 727,770,641.40-1,091,655,962.10-649,164,612.60

Finding the Fourth Proportional to 727,770,641.40, 1,091,655,962.10 and 649,164,612.60

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Solution

The fourth proportional to 727,770,641.40, 1,091,655,962.10 and 649,164,612.60 is: 973,746,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,770,641.40 : 1,091,655,962.10 = 649,164,612.60 : x
  2. Step 2: Convert to fraction form
    727,770,641.40/1,091,655,962.10 = 649,164,612.60/x
  3. Step 3: Cross multiply
    727,770,641.40x = 1,091,655,962.10 × 649,164,612.60
  4. Step 4: Simplify right side
    727,770,641.40x = 708,664,419,729,126,784
  5. Step 5: Solve for x
    x = 708,664,419,729,126,784/727,770,641.40
  6. Step 6: Final answer
    x = 973,746,918.90

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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.