Home / 3,779,143,848.60-5,668,715,772.90-3,434,486,645.40

Finding the Fourth Proportional to 3,779,143,848.60, 5,668,715,772.90 and 3,434,486,645.40

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Solution

The fourth proportional to 3,779,143,848.60, 5,668,715,772.90 and 3,434,486,645.40 is: 5,151,729,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,143,848.60 : 5,668,715,772.90 = 3,434,486,645.40 : x
  2. Step 2: Convert to fraction form
    3,779,143,848.60/5,668,715,772.90 = 3,434,486,645.40/x
  3. Step 3: Cross multiply
    3,779,143,848.60x = 5,668,715,772.90 × 3,434,486,645.40
  4. Step 4: Simplify right side
    3,779,143,848.60x = 19,469,128,618,593,386,496
  5. Step 5: Solve for x
    x = 19,469,128,618,593,386,496/3,779,143,848.60
  6. Step 6: Final answer
    x = 5,151,729,968.10

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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.