Home / 260,248,915.40-389,617,545.90-252,690,643.40

Finding the Fourth Proportional to 260,248,915.40, 389,617,545.90 and 252,690,643.40

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Solution

The fourth proportional to 260,248,915.40, 389,617,545.90 and 252,690,643.40 is: 378,302,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,248,915.40 : 389,617,545.90 = 252,690,643.40 : x
  2. Step 2: Convert to fraction form
    260,248,915.40/389,617,545.90 = 252,690,643.40/x
  3. Step 3: Cross multiply
    260,248,915.40x = 389,617,545.90 × 252,690,643.40
  4. Step 4: Simplify right side
    260,248,915.40x = 98,452,708,353,400,032
  5. Step 5: Solve for x
    x = 98,452,708,353,400,032/260,248,915.40
  6. Step 6: Final answer
    x = 378,302,088.99

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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.