Home / 20,417,832,330.30-30,626,748,495.45-4,908,258,186.30

Finding the Fourth Proportional to 20,417,832,330.30, 30,626,748,495.45 and 4,908,258,186.30

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Solution

The fourth proportional to 20,417,832,330.30, 30,626,748,495.45 and 4,908,258,186.30 is: 7,362,387,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417,832,330.30 : 30,626,748,495.45 = 4,908,258,186.30 : x
  2. Step 2: Convert to fraction form
    20,417,832,330.30/30,626,748,495.45 = 4,908,258,186.30/x
  3. Step 3: Cross multiply
    20,417,832,330.30x = 30,626,748,495.45 × 4,908,258,186.30
  4. Step 4: Simplify right side
    20,417,832,330.30x = 150,323,989,022,543,675,392
  5. Step 5: Solve for x
    x = 150,323,989,022,543,675,392/20,417,832,330.30
  6. Step 6: Final answer
    x = 7,362,387,279.45

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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.