Home / 660,563,868.42-991,232,176.85-246,326,866.56

Finding the Fourth Proportional to 660,563,868.42, 991,232,176.85 and 246,326,866.56

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Solution

The fourth proportional to 660,563,868.42, 991,232,176.85 and 246,326,866.56 is: 369,634,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,563,868.42 : 991,232,176.85 = 246,326,866.56 : x
  2. Step 2: Convert to fraction form
    660,563,868.42/991,232,176.85 = 246,326,866.56/x
  3. Step 3: Cross multiply
    660,563,868.42x = 991,232,176.85 × 246,326,866.56
  4. Step 4: Simplify right side
    660,563,868.42x = 244,167,116,155,676,640
  5. Step 5: Solve for x
    x = 244,167,116,155,676,640/660,563,868.42
  6. Step 6: Final answer
    x = 369,634,380.31

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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.