Home / 360,542,219.40-540,813,329.10-130,428,266.40

Finding the Fourth Proportional to 360,542,219.40, 540,813,329.10 and 130,428,266.40

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Solution

The fourth proportional to 360,542,219.40, 540,813,329.10 and 130,428,266.40 is: 195,642,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,542,219.40 : 540,813,329.10 = 130,428,266.40 : x
  2. Step 2: Convert to fraction form
    360,542,219.40/540,813,329.10 = 130,428,266.40/x
  3. Step 3: Cross multiply
    360,542,219.40x = 540,813,329.10 × 130,428,266.40
  4. Step 4: Simplify right side
    360,542,219.40x = 70,537,344,960,525,680
  5. Step 5: Solve for x
    x = 70,537,344,960,525,680/360,542,219.40
  6. Step 6: Final answer
    x = 195,642,399.60

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1.5x scale

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.