Home / 712,177,401.80-1,068,266,102.70-647,554,176.20

Finding the Fourth Proportional to 712,177,401.80, 1,068,266,102.70 and 647,554,176.20

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Solution

The fourth proportional to 712,177,401.80, 1,068,266,102.70 and 647,554,176.20 is: 971,331,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,177,401.80 : 1,068,266,102.70 = 647,554,176.20 : x
  2. Step 2: Convert to fraction form
    712,177,401.80/1,068,266,102.70 = 647,554,176.20/x
  3. Step 3: Cross multiply
    712,177,401.80x = 1,068,266,102.70 × 647,554,176.20
  4. Step 4: Simplify right side
    712,177,401.80x = 691,760,176,096,283,136
  5. Step 5: Solve for x
    x = 691,760,176,096,283,136/712,177,401.80
  6. Step 6: Final answer
    x = 971,331,264.30

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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.