Home / 1,000,586,486.28-1,380,004,219.06-879,625,842.11

Finding the Fourth Proportional to 1,000,586,486.28, 1,380,004,219.06 and 879,625,842.11

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Solution

The fourth proportional to 1,000,586,486.28, 1,380,004,219.06 and 879,625,842.11 is: 1,213,175,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,586,486.28 : 1,380,004,219.06 = 879,625,842.11 : x
  2. Step 2: Convert to fraction form
    1,000,586,486.28/1,380,004,219.06 = 879,625,842.11/x
  3. Step 3: Cross multiply
    1,000,586,486.28x = 1,380,004,219.06 × 879,625,842.11
  4. Step 4: Simplify right side
    1,000,586,486.28x = 1,213,887,373,301,607,424
  5. Step 5: Solve for x
    x = 1,213,887,373,301,607,424/1,000,586,486.28
  6. Step 6: Final answer
    x = 1,213,175,862.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.