Home / 902,521,390.31-1,245,364,457.18-526,083,793.86

Finding the Fourth Proportional to 902,521,390.31, 1,245,364,457.18 and 526,083,793.86

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Solution

The fourth proportional to 902,521,390.31, 1,245,364,457.18 and 526,083,793.86 is: 725,928,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,521,390.31 : 1,245,364,457.18 = 526,083,793.86 : x
  2. Step 2: Convert to fraction form
    902,521,390.31/1,245,364,457.18 = 526,083,793.86/x
  3. Step 3: Cross multiply
    902,521,390.31x = 1,245,364,457.18 × 526,083,793.86
  4. Step 4: Simplify right side
    902,521,390.31x = 655,166,058,369,023,488
  5. Step 5: Solve for x
    x = 655,166,058,369,023,488/902,521,390.31
  6. Step 6: Final answer
    x = 725,928,565.69

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Double scale
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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.