Home / 690,624,196.10-1,035,936,294.15-686,593,117.70

Finding the Fourth Proportional to 690,624,196.10, 1,035,936,294.15 and 686,593,117.70

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Solution

The fourth proportional to 690,624,196.10, 1,035,936,294.15 and 686,593,117.70 is: 1,029,889,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,624,196.10 : 1,035,936,294.15 = 686,593,117.70 : x
  2. Step 2: Convert to fraction form
    690,624,196.10/1,035,936,294.15 = 686,593,117.70/x
  3. Step 3: Cross multiply
    690,624,196.10x = 1,035,936,294.15 × 686,593,117.70
  4. Step 4: Simplify right side
    690,624,196.10x = 711,266,729,939,032,832
  5. Step 5: Solve for x
    x = 711,266,729,939,032,832/690,624,196.10
  6. Step 6: Final answer
    x = 1,029,889,676.55

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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.