Home / 404,756,130.68-558,563,647.15-219,117,146.30

Finding the Fourth Proportional to 404,756,130.68, 558,563,647.15 and 219,117,146.30

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Solution

The fourth proportional to 404,756,130.68, 558,563,647.15 and 219,117,146.30 is: 302,381,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,756,130.68 : 558,563,647.15 = 219,117,146.30 : x
  2. Step 2: Convert to fraction form
    404,756,130.68/558,563,647.15 = 219,117,146.30/x
  3. Step 3: Cross multiply
    404,756,130.68x = 558,563,647.15 × 219,117,146.30
  4. Step 4: Simplify right side
    404,756,130.68x = 122,390,872,387,087,520
  5. Step 5: Solve for x
    x = 122,390,872,387,087,520/404,756,130.68
  6. Step 6: Final answer
    x = 302,381,763.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.