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Finding the Fourth Proportional to 591,948,006.40, 887,922,009.60 and 563,730,457.60

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Solution

The fourth proportional to 591,948,006.40, 887,922,009.60 and 563,730,457.60 is: 845,595,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,948,006.40 : 887,922,009.60 = 563,730,457.60 : x
  2. Step 2: Convert to fraction form
    591,948,006.40/887,922,009.60 = 563,730,457.60/x
  3. Step 3: Cross multiply
    591,948,006.40x = 887,922,009.60 × 563,730,457.60
  4. Step 4: Simplify right side
    591,948,006.40x = 500,548,680,784,919,616
  5. Step 5: Solve for x
    x = 500,548,680,784,919,616/591,948,006.40
  6. Step 6: Final answer
    x = 845,595,686.40

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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.