Home / 651,209,819.18-898,675,226.40-353,852,060.34

Finding the Fourth Proportional to 651,209,819.18, 898,675,226.40 and 353,852,060.34

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Solution

The fourth proportional to 651,209,819.18, 898,675,226.40 and 353,852,060.34 is: 488,318,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,209,819.18 : 898,675,226.40 = 353,852,060.34 : x
  2. Step 2: Convert to fraction form
    651,209,819.18/898,675,226.40 = 353,852,060.34/x
  3. Step 3: Cross multiply
    651,209,819.18x = 898,675,226.40 × 353,852,060.34
  4. Step 4: Simplify right side
    651,209,819.18x = 317,998,080,438,155,904
  5. Step 5: Solve for x
    x = 317,998,080,438,155,904/651,209,819.18
  6. Step 6: Final answer
    x = 488,318,927.44

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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.