Home / 1,038,962,539.29-1,560,930,031.05-666,200,749.71

Finding the Fourth Proportional to 1,038,962,539.29, 1,560,930,031.05 and 666,200,749.71

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Solution

The fourth proportional to 1,038,962,539.29, 1,560,930,031.05 and 666,200,749.71 is: 1,000,895,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,962,539.29 : 1,560,930,031.05 = 666,200,749.71 : x
  2. Step 2: Convert to fraction form
    1,038,962,539.29/1,560,930,031.05 = 666,200,749.71/x
  3. Step 3: Cross multiply
    1,038,962,539.29x = 1,560,930,031.05 × 666,200,749.71
  4. Step 4: Simplify right side
    1,038,962,539.29x = 1,039,892,756,930,363,648
  5. Step 5: Solve for x
    x = 1,039,892,756,930,363,648/1,038,962,539.29
  6. Step 6: Final answer
    x = 1,000,895,333.19

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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.