Home / 8,398,112,818.80-12,597,169,228.20-6,221,330,482.80

Finding the Fourth Proportional to 8,398,112,818.80, 12,597,169,228.20 and 6,221,330,482.80

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Solution

The fourth proportional to 8,398,112,818.80, 12,597,169,228.20 and 6,221,330,482.80 is: 9,331,995,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398,112,818.80 : 12,597,169,228.20 = 6,221,330,482.80 : x
  2. Step 2: Convert to fraction form
    8,398,112,818.80/12,597,169,228.20 = 6,221,330,482.80/x
  3. Step 3: Cross multiply
    8,398,112,818.80x = 12,597,169,228.20 × 6,221,330,482.80
  4. Step 4: Simplify right side
    8,398,112,818.80x = 78,371,152,916,390,821,888
  5. Step 5: Solve for x
    x = 78,371,152,916,390,821,888/8,398,112,818.80
  6. Step 6: Final answer
    x = 9,331,995,724.20

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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.