Home / 1,978,152,078.30-2,967,228,117.45-597,787,224.90

Finding the Fourth Proportional to 1,978,152,078.30, 2,967,228,117.45 and 597,787,224.90

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Solution

The fourth proportional to 1,978,152,078.30, 2,967,228,117.45 and 597,787,224.90 is: 896,680,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,152,078.30 : 2,967,228,117.45 = 597,787,224.90 : x
  2. Step 2: Convert to fraction form
    1,978,152,078.30/2,967,228,117.45 = 597,787,224.90/x
  3. Step 3: Cross multiply
    1,978,152,078.30x = 2,967,228,117.45 × 597,787,224.90
  4. Step 4: Simplify right side
    1,978,152,078.30x = 1,773,771,061,975,686,656
  5. Step 5: Solve for x
    x = 1,773,771,061,975,686,656/1,978,152,078.30
  6. Step 6: Final answer
    x = 896,680,837.35

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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.