Home / 873,301,652.47-1,205,147,154.09-476,823,414.88

Finding the Fourth Proportional to 873,301,652.47, 1,205,147,154.09 and 476,823,414.88

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Solution

The fourth proportional to 873,301,652.47, 1,205,147,154.09 and 476,823,414.88 is: 658,011,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,301,652.47 : 1,205,147,154.09 = 476,823,414.88 : x
  2. Step 2: Convert to fraction form
    873,301,652.47/1,205,147,154.09 = 476,823,414.88/x
  3. Step 3: Cross multiply
    873,301,652.47x = 1,205,147,154.09 × 476,823,414.88
  4. Step 4: Simplify right side
    873,301,652.47x = 574,642,381,446,107,328
  5. Step 5: Solve for x
    x = 574,642,381,446,107,328/873,301,652.47
  6. Step 6: Final answer
    x = 658,011,329.56

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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.