Home / 974,480,371.80-1,461,720,557.70-756,802,138.20

Finding the Fourth Proportional to 974,480,371.80, 1,461,720,557.70 and 756,802,138.20

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Solution

The fourth proportional to 974,480,371.80, 1,461,720,557.70 and 756,802,138.20 is: 1,135,203,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,480,371.80 : 1,461,720,557.70 = 756,802,138.20 : x
  2. Step 2: Convert to fraction form
    974,480,371.80/1,461,720,557.70 = 756,802,138.20/x
  3. Step 3: Cross multiply
    974,480,371.80x = 1,461,720,557.70 × 756,802,138.20
  4. Step 4: Simplify right side
    974,480,371.80x = 1,106,233,243,518,256,640
  5. Step 5: Solve for x
    x = 1,106,233,243,518,256,640/974,480,371.80
  6. Step 6: Final answer
    x = 1,135,203,207.30

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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.