Home / 1,680,209,732.90-2,520,314,599.35-453,376,216.10

Finding the Fourth Proportional to 1,680,209,732.90, 2,520,314,599.35 and 453,376,216.10

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Solution

The fourth proportional to 1,680,209,732.90, 2,520,314,599.35 and 453,376,216.10 is: 680,064,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,209,732.90 : 2,520,314,599.35 = 453,376,216.10 : x
  2. Step 2: Convert to fraction form
    1,680,209,732.90/2,520,314,599.35 = 453,376,216.10/x
  3. Step 3: Cross multiply
    1,680,209,732.90x = 2,520,314,599.35 × 453,376,216.10
  4. Step 4: Simplify right side
    1,680,209,732.90x = 1,142,650,696,434,890,496
  5. Step 5: Solve for x
    x = 1,142,650,696,434,890,496/1,680,209,732.90
  6. Step 6: Final answer
    x = 680,064,324.15

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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.