Home / 401,528,095.20-602,292,142.80-299,491,423.20

Finding the Fourth Proportional to 401,528,095.20, 602,292,142.80 and 299,491,423.20

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Solution

The fourth proportional to 401,528,095.20, 602,292,142.80 and 299,491,423.20 is: 449,237,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,528,095.20 : 602,292,142.80 = 299,491,423.20 : x
  2. Step 2: Convert to fraction form
    401,528,095.20/602,292,142.80 = 299,491,423.20/x
  3. Step 3: Cross multiply
    401,528,095.20x = 602,292,142.80 × 299,491,423.20
  4. Step 4: Simplify right side
    401,528,095.20x = 180,381,331,029,349,600
  5. Step 5: Solve for x
    x = 180,381,331,029,349,600/401,528,095.20
  6. Step 6: Final answer
    x = 449,237,134.80

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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.