Home / 770,364,031.47-1,063,104,402.15-417,940,011.24

Finding the Fourth Proportional to 770,364,031.47, 1,063,104,402.15 and 417,940,011.24

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Solution

The fourth proportional to 770,364,031.47, 1,063,104,402.15 and 417,940,011.24 is: 576,758,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,364,031.47 : 1,063,104,402.15 = 417,940,011.24 : x
  2. Step 2: Convert to fraction form
    770,364,031.47/1,063,104,402.15 = 417,940,011.24/x
  3. Step 3: Cross multiply
    770,364,031.47x = 1,063,104,402.15 × 417,940,011.24
  4. Step 4: Simplify right side
    770,364,031.47x = 444,313,865,783,864,512
  5. Step 5: Solve for x
    x = 444,313,865,783,864,512/770,364,031.47
  6. Step 6: Final answer
    x = 576,758,321.56

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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.