Home / 901,017,925.48-1,243,404,747.30-488,952,133.48

Finding the Fourth Proportional to 901,017,925.48, 1,243,404,747.30 and 488,952,133.48

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Solution

The fourth proportional to 901,017,925.48, 1,243,404,747.30 and 488,952,133.48 is: 674,753,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,017,925.48 : 1,243,404,747.30 = 488,952,133.48 : x
  2. Step 2: Convert to fraction form
    901,017,925.48/1,243,404,747.30 = 488,952,133.48/x
  3. Step 3: Cross multiply
    901,017,925.48x = 1,243,404,747.30 × 488,952,133.48
  4. Step 4: Simplify right side
    901,017,925.48x = 607,965,403,971,495,296
  5. Step 5: Solve for x
    x = 607,965,403,971,495,296/901,017,925.48
  6. Step 6: Final answer
    x = 674,753,949.70

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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.