Home / 1,408,046,655.80-2,112,059,486.10-425,471,295.80

Finding the Fourth Proportional to 1,408,046,655.80, 2,112,059,486.10 and 425,471,295.80

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Solution

The fourth proportional to 1,408,046,655.80, 2,112,059,486.10 and 425,471,295.80 is: 638,203,771.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,046,655.80 : 2,112,059,486.10 = 425,471,295.80 : x
  2. Step 2: Convert to fraction form
    1,408,046,655.80/2,112,059,486.10 = 425,471,295.80/x
  3. Step 3: Cross multiply
    1,408,046,655.80x = 2,112,059,486.10 × 425,471,295.80
  4. Step 4: Simplify right side
    1,408,046,655.80x = 898,620,686,357,649,024
  5. Step 5: Solve for x
    x = 898,620,686,357,649,024/1,408,046,655.80
  6. Step 6: Final answer
    x = 638,203,771.63

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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.