Home / 3,786,646,988.40-5,679,970,482.60-3,141,674,444.40

Finding the Fourth Proportional to 3,786,646,988.40, 5,679,970,482.60 and 3,141,674,444.40

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Solution

The fourth proportional to 3,786,646,988.40, 5,679,970,482.60 and 3,141,674,444.40 is: 4,712,511,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,646,988.40 : 5,679,970,482.60 = 3,141,674,444.40 : x
  2. Step 2: Convert to fraction form
    3,786,646,988.40/5,679,970,482.60 = 3,141,674,444.40/x
  3. Step 3: Cross multiply
    3,786,646,988.40x = 5,679,970,482.60 × 3,141,674,444.40
  4. Step 4: Simplify right side
    3,786,646,988.40x = 17,844,618,110,130,755,584
  5. Step 5: Solve for x
    x = 17,844,618,110,130,755,584/3,786,646,988.40
  6. Step 6: Final answer
    x = 4,712,511,666.60

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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.