Home / 833,536,009.60-1,250,304,014.40-425,849,660.80

Finding the Fourth Proportional to 833,536,009.60, 1,250,304,014.40 and 425,849,660.80

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Solution

The fourth proportional to 833,536,009.60, 1,250,304,014.40 and 425,849,660.80 is: 638,774,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,536,009.60 : 1,250,304,014.40 = 425,849,660.80 : x
  2. Step 2: Convert to fraction form
    833,536,009.60/1,250,304,014.40 = 425,849,660.80/x
  3. Step 3: Cross multiply
    833,536,009.60x = 1,250,304,014.40 × 425,849,660.80
  4. Step 4: Simplify right side
    833,536,009.60x = 532,441,540,429,118,400
  5. Step 5: Solve for x
    x = 532,441,540,429,118,400/833,536,009.60
  6. Step 6: Final answer
    x = 638,774,491.20

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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.