Home / 1,785,875,924.59-2,464,646,819.45-1,071,438,364.56

Finding the Fourth Proportional to 1,785,875,924.59, 2,464,646,819.45 and 1,071,438,364.56

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Solution

The fourth proportional to 1,785,875,924.59, 2,464,646,819.45 and 1,071,438,364.56 is: 1,478,667,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,875,924.59 : 2,464,646,819.45 = 1,071,438,364.56 : x
  2. Step 2: Convert to fraction form
    1,785,875,924.59/2,464,646,819.45 = 1,071,438,364.56/x
  3. Step 3: Cross multiply
    1,785,875,924.59x = 2,464,646,819.45 × 1,071,438,364.56
  4. Step 4: Simplify right side
    1,785,875,924.59x = 2,640,717,157,453,522,432
  5. Step 5: Solve for x
    x = 2,640,717,157,453,522,432/1,785,875,924.59
  6. Step 6: Final answer
    x = 1,478,667,762.47

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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.