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Finding the Fourth Proportional to 662,688,009.60, 994,032,014.40 and 560,651,337.60

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Solution

The fourth proportional to 662,688,009.60, 994,032,014.40 and 560,651,337.60 is: 840,977,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,688,009.60 : 994,032,014.40 = 560,651,337.60 : x
  2. Step 2: Convert to fraction form
    662,688,009.60/994,032,014.40 = 560,651,337.60/x
  3. Step 3: Cross multiply
    662,688,009.60x = 994,032,014.40 × 560,651,337.60
  4. Step 4: Simplify right side
    662,688,009.60x = 557,305,378,490,582,464
  5. Step 5: Solve for x
    x = 557,305,378,490,582,464/662,688,009.60
  6. Step 6: Final answer
    x = 840,977,006.40

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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.