Home / 71,539,123,248.04-98,721,115,790.80-38,985,645,624.96

Finding the Fourth Proportional to 71,539,123,248.04, 98,721,115,790.80 and 38,985,645,624.96

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Solution

The fourth proportional to 71,539,123,248.04, 98,721,115,790.80 and 38,985,645,624.96 is: 53,798,624,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,539,123,248.04 : 98,721,115,790.80 = 38,985,645,624.96 : x
  2. Step 2: Convert to fraction form
    71,539,123,248.04/98,721,115,790.80 = 38,985,645,624.96/x
  3. Step 3: Cross multiply
    71,539,123,248.04x = 98,721,115,790.80 × 38,985,645,624.96
  4. Step 4: Simplify right side
    71,539,123,248.04x = 3,848,706,435,920,771,416,064
  5. Step 5: Solve for x
    x = 3,848,706,435,920,771,416,064/71,539,123,248.04
  6. Step 6: Final answer
    x = 53,798,624,601.21

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Double scale
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1.5x scale

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.