Home / 417,312,777.40-625,969,166.10-144,592,905.40

Finding the Fourth Proportional to 417,312,777.40, 625,969,166.10 and 144,592,905.40

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Solution

The fourth proportional to 417,312,777.40, 625,969,166.10 and 144,592,905.40 is: 216,889,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,312,777.40 : 625,969,166.10 = 144,592,905.40 : x
  2. Step 2: Convert to fraction form
    417,312,777.40/625,969,166.10 = 144,592,905.40/x
  3. Step 3: Cross multiply
    417,312,777.40x = 625,969,166.10 × 144,592,905.40
  4. Step 4: Simplify right side
    417,312,777.40x = 90,510,700,417,214,192
  5. Step 5: Solve for x
    x = 90,510,700,417,214,192/417,312,777.40
  6. Step 6: Final answer
    x = 216,889,358.10

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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.