Home / 478,500,082.08-717,877,718.22-171,794,852.16

Finding the Fourth Proportional to 478,500,082.08, 717,877,718.22 and 171,794,852.16

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Solution

The fourth proportional to 478,500,082.08, 717,877,718.22 and 171,794,852.16 is: 257,738,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,500,082.08 : 717,877,718.22 = 171,794,852.16 : x
  2. Step 2: Convert to fraction form
    478,500,082.08/717,877,718.22 = 171,794,852.16/x
  3. Step 3: Cross multiply
    478,500,082.08x = 717,877,718.22 × 171,794,852.16
  4. Step 4: Simplify right side
    478,500,082.08x = 123,327,696,470,563,040
  5. Step 5: Solve for x
    x = 123,327,696,470,563,040/478,500,082.08
  6. Step 6: Final answer
    x = 257,738,088.43

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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.