Home / 1,425,335,427.20-2,138,003,140.80-935,559,401.60

Finding the Fourth Proportional to 1,425,335,427.20, 2,138,003,140.80 and 935,559,401.60

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Solution

The fourth proportional to 1,425,335,427.20, 2,138,003,140.80 and 935,559,401.60 is: 1,403,339,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,335,427.20 : 2,138,003,140.80 = 935,559,401.60 : x
  2. Step 2: Convert to fraction form
    1,425,335,427.20/2,138,003,140.80 = 935,559,401.60/x
  3. Step 3: Cross multiply
    1,425,335,427.20x = 2,138,003,140.80 × 935,559,401.60
  4. Step 4: Simplify right side
    1,425,335,427.20x = 2,000,228,939,025,768,448
  5. Step 5: Solve for x
    x = 2,000,228,939,025,768,448/1,425,335,427.20
  6. Step 6: Final answer
    x = 1,403,339,102.40

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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.