Home / 3,779,187,319.40-5,668,780,979.10-2,225,678,988.20

Finding the Fourth Proportional to 3,779,187,319.40, 5,668,780,979.10 and 2,225,678,988.20

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Solution

The fourth proportional to 3,779,187,319.40, 5,668,780,979.10 and 2,225,678,988.20 is: 3,338,518,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,187,319.40 : 5,668,780,979.10 = 2,225,678,988.20 : x
  2. Step 2: Convert to fraction form
    3,779,187,319.40/5,668,780,979.10 = 2,225,678,988.20/x
  3. Step 3: Cross multiply
    3,779,187,319.40x = 5,668,780,979.10 × 2,225,678,988.20
  4. Step 4: Simplify right side
    3,779,187,319.40x = 12,616,886,713,890,693,120
  5. Step 5: Solve for x
    x = 12,616,886,713,890,693,120/3,779,187,319.40
  6. Step 6: Final answer
    x = 3,338,518,482.30

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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.