Home / 1,312,648,672.80-1,967,741,290.80-495,310,202.40

Finding the Fourth Proportional to 1,312,648,672.80, 1,967,741,290.80 and 495,310,202.40

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Solution

The fourth proportional to 1,312,648,672.80, 1,967,741,290.80 and 495,310,202.40 is: 742,500,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,648,672.80 : 1,967,741,290.80 = 495,310,202.40 : x
  2. Step 2: Convert to fraction form
    1,312,648,672.80/1,967,741,290.80 = 495,310,202.40/x
  3. Step 3: Cross multiply
    1,312,648,672.80x = 1,967,741,290.80 × 495,310,202.40
  4. Step 4: Simplify right side
    1,312,648,672.80x = 974,642,337,016,985,216
  5. Step 5: Solve for x
    x = 974,642,337,016,985,216/1,312,648,672.80
  6. Step 6: Final answer
    x = 742,500,531.34

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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.