Home / 690,926,606.10-1,036,389,909.15-224,587,128.60

Finding the Fourth Proportional to 690,926,606.10, 1,036,389,909.15 and 224,587,128.60

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Solution

The fourth proportional to 690,926,606.10, 1,036,389,909.15 and 224,587,128.60 is: 336,880,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,926,606.10 : 1,036,389,909.15 = 224,587,128.60 : x
  2. Step 2: Convert to fraction form
    690,926,606.10/1,036,389,909.15 = 224,587,128.60/x
  3. Step 3: Cross multiply
    690,926,606.10x = 1,036,389,909.15 × 224,587,128.60
  4. Step 4: Simplify right side
    690,926,606.10x = 232,759,833,806,013,344
  5. Step 5: Solve for x
    x = 232,759,833,806,013,344/690,926,606.10
  6. Step 6: Final answer
    x = 336,880,692.90

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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.