Home / 354,578,681.79-531,444,872.19-165,029,733.93

Finding the Fourth Proportional to 354,578,681.79, 531,444,872.19 and 165,029,733.93

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Solution

The fourth proportional to 354,578,681.79, 531,444,872.19 and 165,029,733.93 is: 247,347,656.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,578,681.79 : 531,444,872.19 = 165,029,733.93 : x
  2. Step 2: Convert to fraction form
    354,578,681.79/531,444,872.19 = 165,029,733.93/x
  3. Step 3: Cross multiply
    354,578,681.79x = 531,444,872.19 × 165,029,733.93
  4. Step 4: Simplify right side
    354,578,681.79x = 87,704,205,855,978,560
  5. Step 5: Solve for x
    x = 87,704,205,855,978,560/354,578,681.79
  6. Step 6: Final answer
    x = 247,347,656.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.