Home / 356,445,557.40-534,668,336.10-305,427,221.40

Finding the Fourth Proportional to 356,445,557.40, 534,668,336.10 and 305,427,221.40

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Solution

The fourth proportional to 356,445,557.40, 534,668,336.10 and 305,427,221.40 is: 458,140,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,445,557.40 : 534,668,336.10 = 305,427,221.40 : x
  2. Step 2: Convert to fraction form
    356,445,557.40/534,668,336.10 = 305,427,221.40/x
  3. Step 3: Cross multiply
    356,445,557.40x = 534,668,336.10 × 305,427,221.40
  4. Step 4: Simplify right side
    356,445,557.40x = 163,302,264,265,584,320
  5. Step 5: Solve for x
    x = 163,302,264,265,584,320/356,445,557.40
  6. Step 6: Final answer
    x = 458,140,832.10

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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.