Home / 469,675,724.18-648,134,742.15-260,845,318.89

Finding the Fourth Proportional to 469,675,724.18, 648,134,742.15 and 260,845,318.89

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Solution

The fourth proportional to 469,675,724.18, 648,134,742.15 and 260,845,318.89 is: 359,956,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,675,724.18 : 648,134,742.15 = 260,845,318.89 : x
  2. Step 2: Convert to fraction form
    469,675,724.18/648,134,742.15 = 260,845,318.89/x
  3. Step 3: Cross multiply
    469,675,724.18x = 648,134,742.15 × 260,845,318.89
  4. Step 4: Simplify right side
    469,675,724.18x = 169,062,913,499,804,672
  5. Step 5: Solve for x
    x = 169,062,913,499,804,672/469,675,724.18
  6. Step 6: Final answer
    x = 359,956,678.19

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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.