Home / 1,644,145,672.80-2,466,218,509.20-417,314,124.30

Finding the Fourth Proportional to 1,644,145,672.80, 2,466,218,509.20 and 417,314,124.30

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Solution

The fourth proportional to 1,644,145,672.80, 2,466,218,509.20 and 417,314,124.30 is: 625,971,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,145,672.80 : 2,466,218,509.20 = 417,314,124.30 : x
  2. Step 2: Convert to fraction form
    1,644,145,672.80/2,466,218,509.20 = 417,314,124.30/x
  3. Step 3: Cross multiply
    1,644,145,672.80x = 2,466,218,509.20 × 417,314,124.30
  4. Step 4: Simplify right side
    1,644,145,672.80x = 1,029,187,817,499,249,408
  5. Step 5: Solve for x
    x = 1,029,187,817,499,249,408/1,644,145,672.80
  6. Step 6: Final answer
    x = 625,971,186.45

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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.