Home / 1,335,936,587.70-2,003,904,881.55-790,397,310.90

Finding the Fourth Proportional to 1,335,936,587.70, 2,003,904,881.55 and 790,397,310.90

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Solution

The fourth proportional to 1,335,936,587.70, 2,003,904,881.55 and 790,397,310.90 is: 1,185,595,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,936,587.70 : 2,003,904,881.55 = 790,397,310.90 : x
  2. Step 2: Convert to fraction form
    1,335,936,587.70/2,003,904,881.55 = 790,397,310.90/x
  3. Step 3: Cross multiply
    1,335,936,587.70x = 2,003,904,881.55 × 790,397,310.90
  4. Step 4: Simplify right side
    1,335,936,587.70x = 1,583,881,029,676,503,040
  5. Step 5: Solve for x
    x = 1,583,881,029,676,503,040/1,335,936,587.70
  6. Step 6: Final answer
    x = 1,185,595,966.35

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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.