Home / 7,864,540,066.52-10,855,651,691.14-6,259,938,407.09

Finding the Fourth Proportional to 7,864,540,066.52, 10,855,651,691.14 and 6,259,938,407.09

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Solution

The fourth proportional to 7,864,540,066.52, 10,855,651,691.14 and 6,259,938,407.09 is: 8,640,773,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864,540,066.52 : 10,855,651,691.14 = 6,259,938,407.09 : x
  2. Step 2: Convert to fraction form
    7,864,540,066.52/10,855,651,691.14 = 6,259,938,407.09/x
  3. Step 3: Cross multiply
    7,864,540,066.52x = 10,855,651,691.14 × 6,259,938,407.09
  4. Step 4: Simplify right side
    7,864,540,066.52x = 67,955,710,955,289,247,744
  5. Step 5: Solve for x
    x = 67,955,710,955,289,247,744/7,864,540,066.52
  6. Step 6: Final answer
    x = 8,640,773,698.21

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1.5x scale

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.