Home / 1,117,536,811.07-1,676,564,589.83-380,613,100.01

Finding the Fourth Proportional to 1,117,536,811.07, 1,676,564,589.83 and 380,613,100.01

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Solution

The fourth proportional to 1,117,536,811.07, 1,676,564,589.83 and 380,613,100.01 is: 571,007,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,536,811.07 : 1,676,564,589.83 = 380,613,100.01 : x
  2. Step 2: Convert to fraction form
    1,117,536,811.07/1,676,564,589.83 = 380,613,100.01/x
  3. Step 3: Cross multiply
    1,117,536,811.07x = 1,676,564,589.83 × 380,613,100.01
  4. Step 4: Simplify right side
    1,117,536,811.07x = 638,122,445,891,904,512
  5. Step 5: Solve for x
    x = 638,122,445,891,904,512/1,117,536,811.07
  6. Step 6: Final answer
    x = 571,007,987.90

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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.