Home / 347,756,803.20-521,187,307.20-266,575,363.20

Finding the Fourth Proportional to 347,756,803.20, 521,187,307.20 and 266,575,363.20

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Solution

The fourth proportional to 347,756,803.20, 521,187,307.20 and 266,575,363.20 is: 399,519,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,756,803.20 : 521,187,307.20 = 266,575,363.20 : x
  2. Step 2: Convert to fraction form
    347,756,803.20/521,187,307.20 = 266,575,363.20/x
  3. Step 3: Cross multiply
    347,756,803.20x = 521,187,307.20 × 266,575,363.20
  4. Step 4: Simplify right side
    347,756,803.20x = 138,935,695,712,069,968
  5. Step 5: Solve for x
    x = 138,935,695,712,069,968/347,756,803.20
  6. Step 6: Final answer
    x = 399,519,705.82

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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.