Home / 8,382,891,213.40-12,574,336,820.10-7,447,681,024.60

Finding the Fourth Proportional to 8,382,891,213.40, 12,574,336,820.10 and 7,447,681,024.60

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Solution

The fourth proportional to 8,382,891,213.40, 12,574,336,820.10 and 7,447,681,024.60 is: 11,171,521,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,891,213.40 : 12,574,336,820.10 = 7,447,681,024.60 : x
  2. Step 2: Convert to fraction form
    8,382,891,213.40/12,574,336,820.10 = 7,447,681,024.60/x
  3. Step 3: Cross multiply
    8,382,891,213.40x = 12,574,336,820.10 × 7,447,681,024.60
  4. Step 4: Simplify right side
    8,382,891,213.40x = 93,649,649,731,987,881,984
  5. Step 5: Solve for x
    x = 93,649,649,731,987,881,984/8,382,891,213.40
  6. Step 6: Final answer
    x = 11,171,521,536.90

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Double scale
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1.5x scale

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.