Home / 1,680,423,619.80-2,520,600,815.72-560,028,641.84

Finding the Fourth Proportional to 1,680,423,619.80, 2,520,600,815.72 and 560,028,641.84

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Solution

The fourth proportional to 1,680,423,619.80, 2,520,600,815.72 and 560,028,641.84 is: 840,031,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,423,619.80 : 2,520,600,815.72 = 560,028,641.84 : x
  2. Step 2: Convert to fraction form
    1,680,423,619.80/2,520,600,815.72 = 560,028,641.84/x
  3. Step 3: Cross multiply
    1,680,423,619.80x = 2,520,600,815.72 × 560,028,641.84
  4. Step 4: Simplify right side
    1,680,423,619.80x = 1,411,608,651,433,064,704
  5. Step 5: Solve for x
    x = 1,411,608,651,433,064,704/1,680,423,619.80
  6. Step 6: Final answer
    x = 840,031,427.08

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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.