Home / 708,590,435.20-1,062,885,652.80-248,575,105.60

Finding the Fourth Proportional to 708,590,435.20, 1,062,885,652.80 and 248,575,105.60

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Solution

The fourth proportional to 708,590,435.20, 1,062,885,652.80 and 248,575,105.60 is: 372,862,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,435.20 : 1,062,885,652.80 = 248,575,105.60 : x
  2. Step 2: Convert to fraction form
    708,590,435.20/1,062,885,652.80 = 248,575,105.60/x
  3. Step 3: Cross multiply
    708,590,435.20x = 1,062,885,652.80 × 248,575,105.60
  4. Step 4: Simplify right side
    708,590,435.20x = 264,206,913,385,484,928
  5. Step 5: Solve for x
    x = 264,206,913,385,484,928/708,590,435.20
  6. Step 6: Final answer
    x = 372,862,658.40

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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.