Home / 1,408,046,722.80-2,112,059,586.60-425,471,362.80

Finding the Fourth Proportional to 1,408,046,722.80, 2,112,059,586.60 and 425,471,362.80

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Solution

The fourth proportional to 1,408,046,722.80, 2,112,059,586.60 and 425,471,362.80 is: 638,203,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,046,722.80 : 2,112,059,586.60 = 425,471,362.80 : x
  2. Step 2: Convert to fraction form
    1,408,046,722.80/2,112,059,586.60 = 425,471,362.80/x
  3. Step 3: Cross multiply
    1,408,046,722.80x = 2,112,059,586.60 × 425,471,362.80
  4. Step 4: Simplify right side
    1,408,046,722.80x = 898,620,870,625,506,560
  5. Step 5: Solve for x
    x = 898,620,870,625,506,560/1,408,046,722.80
  6. Step 6: Final answer
    x = 638,203,872.13

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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.