Home / 431,216,153.40-646,824,230.10-237,052,543.80

Finding the Fourth Proportional to 431,216,153.40, 646,824,230.10 and 237,052,543.80

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Solution

The fourth proportional to 431,216,153.40, 646,824,230.10 and 237,052,543.80 is: 355,578,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,216,153.40 : 646,824,230.10 = 237,052,543.80 : x
  2. Step 2: Convert to fraction form
    431,216,153.40/646,824,230.10 = 237,052,543.80/x
  3. Step 3: Cross multiply
    431,216,153.40x = 646,824,230.10 × 237,052,543.80
  4. Step 4: Simplify right side
    431,216,153.40x = 153,331,329,136,681,536
  5. Step 5: Solve for x
    x = 153,331,329,136,681,536/431,216,153.40
  6. Step 6: Final answer
    x = 355,578,815.70

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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.