Home / 458,328,098.56-632,508,053.72-257,420,377.84

Finding the Fourth Proportional to 458,328,098.56, 632,508,053.72 and 257,420,377.84

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Solution

The fourth proportional to 458,328,098.56, 632,508,053.72 and 257,420,377.84 is: 355,248,702.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,328,098.56 : 632,508,053.72 = 257,420,377.84 : x
  2. Step 2: Convert to fraction form
    458,328,098.56/632,508,053.72 = 257,420,377.84/x
  3. Step 3: Cross multiply
    458,328,098.56x = 632,508,053.72 × 257,420,377.84
  4. Step 4: Simplify right side
    458,328,098.56x = 162,820,462,175,445,440
  5. Step 5: Solve for x
    x = 162,820,462,175,445,440/458,328,098.56
  6. Step 6: Final answer
    x = 355,248,702.16

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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.