Home / 8,398,112,819.80-12,597,169,229.70-6,221,330,483.80

Finding the Fourth Proportional to 8,398,112,819.80, 12,597,169,229.70 and 6,221,330,483.80

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Solution

The fourth proportional to 8,398,112,819.80, 12,597,169,229.70 and 6,221,330,483.80 is: 9,331,995,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,112,819.80 : 12,597,169,229.70 = 6,221,330,483.80 : x
  2. Step 2: Convert to fraction form
    8,398,112,819.80/12,597,169,229.70 = 6,221,330,483.80/x
  3. Step 3: Cross multiply
    8,398,112,819.80x = 12,597,169,229.70 × 6,221,330,483.80
  4. Step 4: Simplify right side
    8,398,112,819.80x = 78,371,152,938,319,986,688
  5. Step 5: Solve for x
    x = 78,371,152,938,319,986,688/8,398,112,819.80
  6. Step 6: Final answer
    x = 9,331,995,725.70

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Double scale
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Similar ratio
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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.