Home / 1,339,506,014.40-2,005,432,646.40-1,201,756,507.20

Finding the Fourth Proportional to 1,339,506,014.40, 2,005,432,646.40 and 1,201,756,507.20

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Solution

The fourth proportional to 1,339,506,014.40, 2,005,432,646.40 and 1,201,756,507.20 is: 1,799,201,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,506,014.40 : 2,005,432,646.40 = 1,201,756,507.20 : x
  2. Step 2: Convert to fraction form
    1,339,506,014.40/2,005,432,646.40 = 1,201,756,507.20/x
  3. Step 3: Cross multiply
    1,339,506,014.40x = 2,005,432,646.40 × 1,201,756,507.20
  4. Step 4: Simplify right side
    1,339,506,014.40x = 2,410,041,732,562,516,992
  5. Step 5: Solve for x
    x = 2,410,041,732,562,516,992/1,339,506,014.40
  6. Step 6: Final answer
    x = 1,799,201,874.91

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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.