Home / 1,918,843,545.42-2,648,004,979.95-1,038,777,250.38

Finding the Fourth Proportional to 1,918,843,545.42, 2,648,004,979.95 and 1,038,777,250.38

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Solution

The fourth proportional to 1,918,843,545.42, 2,648,004,979.95 and 1,038,777,250.38 is: 1,433,513,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,843,545.42 : 2,648,004,979.95 = 1,038,777,250.38 : x
  2. Step 2: Convert to fraction form
    1,918,843,545.42/2,648,004,979.95 = 1,038,777,250.38/x
  3. Step 3: Cross multiply
    1,918,843,545.42x = 2,648,004,979.95 × 1,038,777,250.38
  4. Step 4: Simplify right side
    1,918,843,545.42x = 2,750,687,332,065,007,616
  5. Step 5: Solve for x
    x = 2,750,687,332,065,007,616/1,918,843,545.42
  6. Step 6: Final answer
    x = 1,433,513,085.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.