Home / 478,334,633.04-660,101,801.76-258,318,059.04

Finding the Fourth Proportional to 478,334,633.04, 660,101,801.76 and 258,318,059.04

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Solution

The fourth proportional to 478,334,633.04, 660,101,801.76 and 258,318,059.04 is: 356,478,925.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,334,633.04 : 660,101,801.76 = 258,318,059.04 : x
  2. Step 2: Convert to fraction form
    478,334,633.04/660,101,801.76 = 258,318,059.04/x
  3. Step 3: Cross multiply
    478,334,633.04x = 660,101,801.76 × 258,318,059.04
  4. Step 4: Simplify right side
    478,334,633.04x = 170,516,216,199,450,048
  5. Step 5: Solve for x
    x = 170,516,216,199,450,048/478,334,633.04
  6. Step 6: Final answer
    x = 356,478,925.88

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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.