Home / 1,840,881,941.18-2,540,400,251.55-1,005,506,261.18

Finding the Fourth Proportional to 1,840,881,941.18, 2,540,400,251.55 and 1,005,506,261.18

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Solution

The fourth proportional to 1,840,881,941.18, 2,540,400,251.55 and 1,005,506,261.18 is: 1,387,589,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,881,941.18 : 2,540,400,251.55 = 1,005,506,261.18 : x
  2. Step 2: Convert to fraction form
    1,840,881,941.18/2,540,400,251.55 = 1,005,506,261.18/x
  3. Step 3: Cross multiply
    1,840,881,941.18x = 2,540,400,251.55 × 1,005,506,261.18
  4. Step 4: Simplify right side
    1,840,881,941.18x = 2,554,388,358,824,070,144
  5. Step 5: Solve for x
    x = 2,554,388,358,824,070,144/1,840,881,941.18
  6. Step 6: Final answer
    x = 1,387,589,449.21

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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.