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Finding the Fourth Proportional to 304,658,390.95, 456,668,635.39 and 127,497,035.89

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Solution

The fourth proportional to 304,658,390.95, 456,668,635.39 and 127,497,035.89 is: 191,112,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,658,390.95 : 456,668,635.39 = 127,497,035.89 : x
  2. Step 2: Convert to fraction form
    304,658,390.95/456,668,635.39 = 127,497,035.89/x
  3. Step 3: Cross multiply
    304,658,390.95x = 456,668,635.39 × 127,497,035.89
  4. Step 4: Simplify right side
    304,658,390.95x = 58,223,897,395,518,672
  5. Step 5: Solve for x
    x = 58,223,897,395,518,672/304,658,390.95
  6. Step 6: Final answer
    x = 191,112,075.44

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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.