Home / 664,996,887.10-997,495,330.65-561,684,756.70

Finding the Fourth Proportional to 664,996,887.10, 997,495,330.65 and 561,684,756.70

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Solution

The fourth proportional to 664,996,887.10, 997,495,330.65 and 561,684,756.70 is: 842,527,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,996,887.10 : 997,495,330.65 = 561,684,756.70 : x
  2. Step 2: Convert to fraction form
    664,996,887.10/997,495,330.65 = 561,684,756.70/x
  3. Step 3: Cross multiply
    664,996,887.10x = 997,495,330.65 × 561,684,756.70
  4. Step 4: Simplify right side
    664,996,887.10x = 560,277,922,105,531,328
  5. Step 5: Solve for x
    x = 560,277,922,105,531,328/664,996,887.10
  6. Step 6: Final answer
    x = 842,527,135.05

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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.