Home / 839,808,106.20-1,259,712,159.30-717,364,099.80

Finding the Fourth Proportional to 839,808,106.20, 1,259,712,159.30 and 717,364,099.80

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Solution

The fourth proportional to 839,808,106.20, 1,259,712,159.30 and 717,364,099.80 is: 1,076,046,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,106.20 : 1,259,712,159.30 = 717,364,099.80 : x
  2. Step 2: Convert to fraction form
    839,808,106.20/1,259,712,159.30 = 717,364,099.80/x
  3. Step 3: Cross multiply
    839,808,106.20x = 1,259,712,159.30 × 717,364,099.80
  4. Step 4: Simplify right side
    839,808,106.20x = 903,672,279,163,358,592
  5. Step 5: Solve for x
    x = 903,672,279,163,358,592/839,808,106.20
  6. Step 6: Final answer
    x = 1,076,046,149.70

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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.