Home / 716,027,288.27-988,064,241.34-402,700,967.79

Finding the Fourth Proportional to 716,027,288.27, 988,064,241.34 and 402,700,967.79

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Solution

The fourth proportional to 716,027,288.27, 988,064,241.34 and 402,700,967.79 is: 555,697,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,027,288.27 : 988,064,241.34 = 402,700,967.79 : x
  2. Step 2: Convert to fraction form
    716,027,288.27/988,064,241.34 = 402,700,967.79/x
  3. Step 3: Cross multiply
    716,027,288.27x = 988,064,241.34 × 402,700,967.79
  4. Step 4: Simplify right side
    716,027,288.27x = 397,894,426,223,512,384
  5. Step 5: Solve for x
    x = 397,894,426,223,512,384/716,027,288.27
  6. Step 6: Final answer
    x = 555,697,293.59

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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.