Home / 478,336,205.04-660,103,957.47-258,319,631.04

Finding the Fourth Proportional to 478,336,205.04, 660,103,957.47 and 258,319,631.04

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Solution

The fourth proportional to 478,336,205.04, 660,103,957.47 and 258,319,631.04 is: 356,481,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,336,205.04 : 660,103,957.47 = 258,319,631.04 : x
  2. Step 2: Convert to fraction form
    478,336,205.04/660,103,957.47 = 258,319,631.04/x
  3. Step 3: Cross multiply
    478,336,205.04x = 660,103,957.47 × 258,319,631.04
  4. Step 4: Simplify right side
    478,336,205.04x = 170,517,810,740,402,656
  5. Step 5: Solve for x
    x = 170,517,810,740,402,656/478,336,205.04
  6. Step 6: Final answer
    x = 356,481,087.87

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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.