Home / 1,339,506,009.40-2,005,432,638.90-1,201,756,502.20

Finding the Fourth Proportional to 1,339,506,009.40, 2,005,432,638.90 and 1,201,756,502.20

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Solution

The fourth proportional to 1,339,506,009.40, 2,005,432,638.90 and 1,201,756,502.20 is: 1,799,201,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,506,009.40 : 2,005,432,638.90 = 1,201,756,502.20 : x
  2. Step 2: Convert to fraction form
    1,339,506,009.40/2,005,432,638.90 = 1,201,756,502.20/x
  3. Step 3: Cross multiply
    1,339,506,009.40x = 2,005,432,638.90 × 1,201,756,502.20
  4. Step 4: Simplify right side
    1,339,506,009.40x = 2,410,041,713,522,180,096
  5. Step 5: Solve for x
    x = 2,410,041,713,522,180,096/1,339,506,009.40
  6. Step 6: Final answer
    x = 1,799,201,867.41

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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.