Home / 518,357,000.50-715,347,590.61-286,584,922.42

Finding the Fourth Proportional to 518,357,000.50, 715,347,590.61 and 286,584,922.42

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Solution

The fourth proportional to 518,357,000.50, 715,347,590.61 and 286,584,922.42 is: 395,495,447.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,357,000.50 : 715,347,590.61 = 286,584,922.42 : x
  2. Step 2: Convert to fraction form
    518,357,000.50/715,347,590.61 = 286,584,922.42/x
  3. Step 3: Cross multiply
    518,357,000.50x = 715,347,590.61 × 286,584,922.42
  4. Step 4: Simplify right side
    518,357,000.50x = 205,007,833,758,300,800
  5. Step 5: Solve for x
    x = 205,007,833,758,300,800/518,357,000.50
  6. Step 6: Final answer
    x = 395,495,447.27

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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.