Home / 1,342,184,638.08-2,013,348,701.70-422,132,721.24

Finding the Fourth Proportional to 1,342,184,638.08, 2,013,348,701.70 and 422,132,721.24

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Solution

The fourth proportional to 1,342,184,638.08, 2,013,348,701.70 and 422,132,721.24 is: 633,221,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,184,638.08 : 2,013,348,701.70 = 422,132,721.24 : x
  2. Step 2: Convert to fraction form
    1,342,184,638.08/2,013,348,701.70 = 422,132,721.24/x
  3. Step 3: Cross multiply
    1,342,184,638.08x = 2,013,348,701.70 × 422,132,721.24
  4. Step 4: Simplify right side
    1,342,184,638.08x = 849,900,366,253,642,112
  5. Step 5: Solve for x
    x = 849,900,366,253,642,112/1,342,184,638.08
  6. Step 6: Final answer
    x = 633,221,646.37

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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.