Home / 11,750,867,543.13-16,216,128,138.29-6,398,415,086.50

Finding the Fourth Proportional to 11,750,867,543.13, 16,216,128,138.29 and 6,398,415,086.50

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Solution

The fourth proportional to 11,750,867,543.13, 16,216,128,138.29 and 6,398,415,086.50 is: 8,829,775,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750,867,543.13 : 16,216,128,138.29 = 6,398,415,086.50 : x
  2. Step 2: Convert to fraction form
    11,750,867,543.13/16,216,128,138.29 = 6,398,415,086.50/x
  3. Step 3: Cross multiply
    11,750,867,543.13x = 16,216,128,138.29 × 6,398,415,086.50
  4. Step 4: Simplify right side
    11,750,867,543.13x = 103,757,518,924,640,976,896
  5. Step 5: Solve for x
    x = 103,757,518,924,640,976,896/11,750,867,543.13
  6. Step 6: Final answer
    x = 8,829,775,209.69

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Double scale
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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.