Home / 887,373,655.31-1,224,611,701.13-490,889,809.11

Finding the Fourth Proportional to 887,373,655.31, 1,224,611,701.13 and 490,889,809.11

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Solution

The fourth proportional to 887,373,655.31, 1,224,611,701.13 and 490,889,809.11 is: 677,447,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,373,655.31 : 1,224,611,701.13 = 490,889,809.11 : x
  2. Step 2: Convert to fraction form
    887,373,655.31/1,224,611,701.13 = 490,889,809.11/x
  3. Step 3: Cross multiply
    887,373,655.31x = 1,224,611,701.13 × 490,889,809.11
  4. Step 4: Simplify right side
    887,373,655.31x = 601,149,404,204,599,552
  5. Step 5: Solve for x
    x = 601,149,404,204,599,552/887,373,655.31
  6. Step 6: Final answer
    x = 677,447,882.98

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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.