Home / 939,780,822.40-1,409,671,233.60-572,448,803.20

Finding the Fourth Proportional to 939,780,822.40, 1,409,671,233.60 and 572,448,803.20

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Solution

The fourth proportional to 939,780,822.40, 1,409,671,233.60 and 572,448,803.20 is: 858,673,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,780,822.40 : 1,409,671,233.60 = 572,448,803.20 : x
  2. Step 2: Convert to fraction form
    939,780,822.40/1,409,671,233.60 = 572,448,803.20/x
  3. Step 3: Cross multiply
    939,780,822.40x = 1,409,671,233.60 × 572,448,803.20
  4. Step 4: Simplify right side
    939,780,822.40x = 806,964,610,579,787,648
  5. Step 5: Solve for x
    x = 806,964,610,579,787,648/939,780,822.40
  6. Step 6: Final answer
    x = 858,673,204.80

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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.