Home / 3,878,574,779.20-5,818,679,253.60-1,258,174,275.52

Finding the Fourth Proportional to 3,878,574,779.20, 5,818,679,253.60 and 1,258,174,275.52

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Solution

The fourth proportional to 3,878,574,779.20, 5,818,679,253.60 and 1,258,174,275.52 is: 1,887,526,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,574,779.20 : 5,818,679,253.60 = 1,258,174,275.52 : x
  2. Step 2: Convert to fraction form
    3,878,574,779.20/5,818,679,253.60 = 1,258,174,275.52/x
  3. Step 3: Cross multiply
    3,878,574,779.20x = 5,818,679,253.60 × 1,258,174,275.52
  4. Step 4: Simplify right side
    3,878,574,779.20x = 7,320,912,554,381,434,880
  5. Step 5: Solve for x
    x = 7,320,912,554,381,434,880/3,878,574,779.20
  6. Step 6: Final answer
    x = 1,887,526,468.14

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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.