Home / 8,382,891,212.40-12,574,336,818.60-7,447,681,023.60

Finding the Fourth Proportional to 8,382,891,212.40, 12,574,336,818.60 and 7,447,681,023.60

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Solution

The fourth proportional to 8,382,891,212.40, 12,574,336,818.60 and 7,447,681,023.60 is: 11,171,521,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382,891,212.40 : 12,574,336,818.60 = 7,447,681,023.60 : x
  2. Step 2: Convert to fraction form
    8,382,891,212.40/12,574,336,818.60 = 7,447,681,023.60/x
  3. Step 3: Cross multiply
    8,382,891,212.40x = 12,574,336,818.60 × 7,447,681,023.60
  4. Step 4: Simplify right side
    8,382,891,212.40x = 93,649,649,708,242,026,496
  5. Step 5: Solve for x
    x = 93,649,649,708,242,026,496/8,382,891,212.40
  6. Step 6: Final answer
    x = 11,171,521,535.40

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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.