Home / 1,206,390,065.40-1,809,585,098.10-747,225,041.40

Finding the Fourth Proportional to 1,206,390,065.40, 1,809,585,098.10 and 747,225,041.40

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Solution

The fourth proportional to 1,206,390,065.40, 1,809,585,098.10 and 747,225,041.40 is: 1,120,837,562.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,390,065.40 : 1,809,585,098.10 = 747,225,041.40 : x
  2. Step 2: Convert to fraction form
    1,206,390,065.40/1,809,585,098.10 = 747,225,041.40/x
  3. Step 3: Cross multiply
    1,206,390,065.40x = 1,809,585,098.10 × 747,225,041.40
  4. Step 4: Simplify right side
    1,206,390,065.40x = 1,352,167,299,844,595,456
  5. Step 5: Solve for x
    x = 1,352,167,299,844,595,456/1,206,390,065.40
  6. Step 6: Final answer
    x = 1,120,837,562.10

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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.