Home / 1,257,984,026.10-1,886,976,039.15-890,652,006.90

Finding the Fourth Proportional to 1,257,984,026.10, 1,886,976,039.15 and 890,652,006.90

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Solution

The fourth proportional to 1,257,984,026.10, 1,886,976,039.15 and 890,652,006.90 is: 1,335,978,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,984,026.10 : 1,886,976,039.15 = 890,652,006.90 : x
  2. Step 2: Convert to fraction form
    1,257,984,026.10/1,886,976,039.15 = 890,652,006.90/x
  3. Step 3: Cross multiply
    1,257,984,026.10x = 1,886,976,039.15 × 890,652,006.90
  4. Step 4: Simplify right side
    1,257,984,026.10x = 1,680,638,996,241,160,448
  5. Step 5: Solve for x
    x = 1,680,638,996,241,160,448/1,257,984,026.10
  6. Step 6: Final answer
    x = 1,335,978,010.35

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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.