Home / 517,610,635.67-714,363,972.13-291,557,059.58

Finding the Fourth Proportional to 517,610,635.67, 714,363,972.13 and 291,557,059.58

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Solution

The fourth proportional to 517,610,635.67, 714,363,972.13 and 291,557,059.58 is: 402,383,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,610,635.67 : 714,363,972.13 = 291,557,059.58 : x
  2. Step 2: Convert to fraction form
    517,610,635.67/714,363,972.13 = 291,557,059.58/x
  3. Step 3: Cross multiply
    517,610,635.67x = 714,363,972.13 × 291,557,059.58
  4. Step 4: Simplify right side
    517,610,635.67x = 208,277,859,186,262,208
  5. Step 5: Solve for x
    x = 208,277,859,186,262,208/517,610,635.67
  6. Step 6: Final answer
    x = 402,383,268.10

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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.