Home / 1,062,885,145.80-1,594,327,718.70-480,638,386.20

Finding the Fourth Proportional to 1,062,885,145.80, 1,594,327,718.70 and 480,638,386.20

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Solution

The fourth proportional to 1,062,885,145.80, 1,594,327,718.70 and 480,638,386.20 is: 720,957,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,885,145.80 : 1,594,327,718.70 = 480,638,386.20 : x
  2. Step 2: Convert to fraction form
    1,062,885,145.80/1,594,327,718.70 = 480,638,386.20/x
  3. Step 3: Cross multiply
    1,062,885,145.80x = 1,594,327,718.70 × 480,638,386.20
  4. Step 4: Simplify right side
    1,062,885,145.80x = 766,295,101,789,895,552
  5. Step 5: Solve for x
    x = 766,295,101,789,895,552/1,062,885,145.80
  6. Step 6: Final answer
    x = 720,957,579.30

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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.