Home / 292,480,008.64-403,387,065.83-257,122,215.88

Finding the Fourth Proportional to 292,480,008.64, 403,387,065.83 and 257,122,215.88

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Solution

The fourth proportional to 292,480,008.64, 403,387,065.83 and 257,122,215.88 is: 354,621,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,480,008.64 : 403,387,065.83 = 257,122,215.88 : x
  2. Step 2: Convert to fraction form
    292,480,008.64/403,387,065.83 = 257,122,215.88/x
  3. Step 3: Cross multiply
    292,480,008.64x = 403,387,065.83 × 257,122,215.88
  4. Step 4: Simplify right side
    292,480,008.64x = 103,719,776,223,541,024
  5. Step 5: Solve for x
    x = 103,719,776,223,541,024/292,480,008.64
  6. Step 6: Final answer
    x = 354,621,762.72

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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.