Home / 6,298,592,646.70-9,447,888,970.05-2,156,659,590.70

Finding the Fourth Proportional to 6,298,592,646.70, 9,447,888,970.05 and 2,156,659,590.70

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Solution

The fourth proportional to 6,298,592,646.70, 9,447,888,970.05 and 2,156,659,590.70 is: 3,234,989,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298,592,646.70 : 9,447,888,970.05 = 2,156,659,590.70 : x
  2. Step 2: Convert to fraction form
    6,298,592,646.70/9,447,888,970.05 = 2,156,659,590.70/x
  3. Step 3: Cross multiply
    6,298,592,646.70x = 9,447,888,970.05 × 2,156,659,590.70
  4. Step 4: Simplify right side
    6,298,592,646.70x = 20,375,880,359,127,072,768
  5. Step 5: Solve for x
    x = 20,375,880,359,127,072,768/6,298,592,646.70
  6. Step 6: Final answer
    x = 3,234,989,386.05

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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.