Home / 447,314,913.40-670,972,370.10-124,198,785.40

Finding the Fourth Proportional to 447,314,913.40, 670,972,370.10 and 124,198,785.40

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Solution

The fourth proportional to 447,314,913.40, 670,972,370.10 and 124,198,785.40 is: 186,298,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,314,913.40 : 670,972,370.10 = 124,198,785.40 : x
  2. Step 2: Convert to fraction form
    447,314,913.40/670,972,370.10 = 124,198,785.40/x
  3. Step 3: Cross multiply
    447,314,913.40x = 670,972,370.10 × 124,198,785.40
  4. Step 4: Simplify right side
    447,314,913.40x = 83,333,953,403,379,280
  5. Step 5: Solve for x
    x = 83,333,953,403,379,280/447,314,913.40
  6. Step 6: Final answer
    x = 186,298,178.10

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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.