Home / 517,610,636.80-714,363,973.68-291,557,060.71

Finding the Fourth Proportional to 517,610,636.80, 714,363,973.68 and 291,557,060.71

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Solution

The fourth proportional to 517,610,636.80, 714,363,973.68 and 291,557,060.71 is: 402,383,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,610,636.80 : 714,363,973.68 = 291,557,060.71 : x
  2. Step 2: Convert to fraction form
    517,610,636.80/714,363,973.68 = 291,557,060.71/x
  3. Step 3: Cross multiply
    517,610,636.80x = 714,363,973.68 × 291,557,060.71
  4. Step 4: Simplify right side
    517,610,636.80x = 208,277,860,442,564,032
  5. Step 5: Solve for x
    x = 208,277,860,442,564,032/517,610,636.80
  6. Step 6: Final answer
    x = 402,383,269.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.