Home / 438,281,063.20-604,846,879.52-242,710,775.20

Finding the Fourth Proportional to 438,281,063.20, 604,846,879.52 and 242,710,775.20

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Solution

The fourth proportional to 438,281,063.20, 604,846,879.52 and 242,710,775.20 is: 334,951,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,281,063.20 : 604,846,879.52 = 242,710,775.20 : x
  2. Step 2: Convert to fraction form
    438,281,063.20/604,846,879.52 = 242,710,775.20/x
  3. Step 3: Cross multiply
    438,281,063.20x = 604,846,879.52 × 242,710,775.20
  4. Step 4: Simplify right side
    438,281,063.20x = 146,802,855,005,600,192
  5. Step 5: Solve for x
    x = 146,802,855,005,600,192/438,281,063.20
  6. Step 6: Final answer
    x = 334,951,398.39

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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.