Home / 447,316,331,649.52-671,068,731,930.42-145,105,336,841.31

Finding the Fourth Proportional to 447,316,331,649.52, 671,068,731,930.42 and 145,105,336,841.31

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Solution

The fourth proportional to 447,316,331,649.52, 671,068,731,930.42 and 145,105,336,841.31 is: 217,688,574,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,316,331,649.52 : 671,068,731,930.42 = 145,105,336,841.31 : x
  2. Step 2: Convert to fraction form
    447,316,331,649.52/671,068,731,930.42 = 145,105,336,841.31/x
  3. Step 3: Cross multiply
    447,316,331,649.52x = 671,068,731,930.42 × 145,105,336,841.31
  4. Step 4: Simplify right side
    447,316,331,649.52x = 97,375,654,390,434,367,537,152
  5. Step 5: Solve for x
    x = 97,375,654,390,434,367,537,152/447,316,331,649.52
  6. Step 6: Final answer
    x = 217,688,574,059.78

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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.