Home / 630,470,443.60-944,113,140.60-413,887,070.80

Finding the Fourth Proportional to 630,470,443.60, 944,113,140.60 and 413,887,070.80

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Solution

The fourth proportional to 630,470,443.60, 944,113,140.60 and 413,887,070.80 is: 619,785,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,470,443.60 : 944,113,140.60 = 413,887,070.80 : x
  2. Step 2: Convert to fraction form
    630,470,443.60/944,113,140.60 = 413,887,070.80/x
  3. Step 3: Cross multiply
    630,470,443.60x = 944,113,140.60 × 413,887,070.80
  4. Step 4: Simplify right side
    630,470,443.60x = 390,756,222,266,722,560
  5. Step 5: Solve for x
    x = 390,756,222,266,722,560/630,470,443.60
  6. Step 6: Final answer
    x = 619,785,156.04

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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.