Home / 478,500,083.08-717,877,719.72-171,794,853.16

Finding the Fourth Proportional to 478,500,083.08, 717,877,719.72 and 171,794,853.16

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Solution

The fourth proportional to 478,500,083.08, 717,877,719.72 and 171,794,853.16 is: 257,738,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,500,083.08 : 717,877,719.72 = 171,794,853.16 : x
  2. Step 2: Convert to fraction form
    478,500,083.08/717,877,719.72 = 171,794,853.16/x
  3. Step 3: Cross multiply
    478,500,083.08x = 717,877,719.72 × 171,794,853.16
  4. Step 4: Simplify right side
    478,500,083.08x = 123,327,697,446,133,040
  5. Step 5: Solve for x
    x = 123,327,697,446,133,040/478,500,083.08
  6. Step 6: Final answer
    x = 257,738,089.93

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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.