Home / 3,878,574,778.50-5,818,679,253.24-1,258,174,276.62

Finding the Fourth Proportional to 3,878,574,778.50, 5,818,679,253.24 and 1,258,174,276.62

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Solution

The fourth proportional to 3,878,574,778.50, 5,818,679,253.24 and 1,258,174,276.62 is: 1,887,526,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,574,778.50 : 5,818,679,253.24 = 1,258,174,276.62 : x
  2. Step 2: Convert to fraction form
    3,878,574,778.50/5,818,679,253.24 = 1,258,174,276.62/x
  3. Step 3: Cross multiply
    3,878,574,778.50x = 5,818,679,253.24 × 1,258,174,276.62
  4. Step 4: Simplify right side
    3,878,574,778.50x = 7,320,912,560,329,037,824
  5. Step 5: Solve for x
    x = 7,320,912,560,329,037,824/3,878,574,778.50
  6. Step 6: Final answer
    x = 1,887,526,470.01

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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.