Home / 1,525,176,248.40-2,288,647,011.12-639,782,314.86

Finding the Fourth Proportional to 1,525,176,248.40, 2,288,647,011.12 and 639,782,314.86

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Solution

The fourth proportional to 1,525,176,248.40, 2,288,647,011.12 and 639,782,314.86 is: 960,043,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,176,248.40 : 2,288,647,011.12 = 639,782,314.86 : x
  2. Step 2: Convert to fraction form
    1,525,176,248.40/2,288,647,011.12 = 639,782,314.86/x
  3. Step 3: Cross multiply
    1,525,176,248.40x = 2,288,647,011.12 × 639,782,314.86
  4. Step 4: Simplify right side
    1,525,176,248.40x = 1,464,235,882,671,773,696
  5. Step 5: Solve for x
    x = 1,464,235,882,671,773,696/1,525,176,248.40
  6. Step 6: Final answer
    x = 960,043,722.30

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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.