Home / 811,478,366.08-1,217,268,042.17-293,913,290.59

Finding the Fourth Proportional to 811,478,366.08, 1,217,268,042.17 and 293,913,290.59

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Solution

The fourth proportional to 811,478,366.08, 1,217,268,042.17 and 293,913,290.59 is: 440,888,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,478,366.08 : 1,217,268,042.17 = 293,913,290.59 : x
  2. Step 2: Convert to fraction form
    811,478,366.08/1,217,268,042.17 = 293,913,290.59/x
  3. Step 3: Cross multiply
    811,478,366.08x = 1,217,268,042.17 × 293,913,290.59
  4. Step 4: Simplify right side
    811,478,366.08x = 357,771,255,808,230,144
  5. Step 5: Solve for x
    x = 357,771,255,808,230,144/811,478,366.08
  6. Step 6: Final answer
    x = 440,888,224.21

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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.