Home / 1,339,506,015.40-2,005,432,647.90-1,201,756,508.20

Finding the Fourth Proportional to 1,339,506,015.40, 2,005,432,647.90 and 1,201,756,508.20

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Solution

The fourth proportional to 1,339,506,015.40, 2,005,432,647.90 and 1,201,756,508.20 is: 1,799,201,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,506,015.40 : 2,005,432,647.90 = 1,201,756,508.20 : x
  2. Step 2: Convert to fraction form
    1,339,506,015.40/2,005,432,647.90 = 1,201,756,508.20/x
  3. Step 3: Cross multiply
    1,339,506,015.40x = 2,005,432,647.90 × 1,201,756,508.20
  4. Step 4: Simplify right side
    1,339,506,015.40x = 2,410,041,736,370,584,064
  5. Step 5: Solve for x
    x = 2,410,041,736,370,584,064/1,339,506,015.40
  6. Step 6: Final answer
    x = 1,799,201,876.41

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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.