Home / 358,668,114.98-538,002,172.46-249,262,127.78

Finding the Fourth Proportional to 358,668,114.98, 538,002,172.46 and 249,262,127.78

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Solution

The fourth proportional to 358,668,114.98, 538,002,172.46 and 249,262,127.78 is: 373,893,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,668,114.98 : 538,002,172.46 = 249,262,127.78 : x
  2. Step 2: Convert to fraction form
    358,668,114.98/538,002,172.46 = 249,262,127.78/x
  3. Step 3: Cross multiply
    358,668,114.98x = 538,002,172.46 × 249,262,127.78
  4. Step 4: Simplify right side
    358,668,114.98x = 134,103,566,255,575,264
  5. Step 5: Solve for x
    x = 134,103,566,255,575,264/358,668,114.98
  6. Step 6: Final answer
    x = 373,893,191.66

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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.