Home / 1,053,440,125.30-1,453,746,867.29-630,053,779.17

Finding the Fourth Proportional to 1,053,440,125.30, 1,453,746,867.29 and 630,053,779.17

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Solution

The fourth proportional to 1,053,440,125.30, 1,453,746,867.29 and 630,053,779.17 is: 869,473,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,440,125.30 : 1,453,746,867.29 = 630,053,779.17 : x
  2. Step 2: Convert to fraction form
    1,053,440,125.30/1,453,746,867.29 = 630,053,779.17/x
  3. Step 3: Cross multiply
    1,053,440,125.30x = 1,453,746,867.29 × 630,053,779.17
  4. Step 4: Simplify right side
    1,053,440,125.30x = 915,938,707,692,612,864
  5. Step 5: Solve for x
    x = 915,938,707,692,612,864/1,053,440,125.30
  6. Step 6: Final answer
    x = 869,473,912.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.