Home / 740,487,931,408.52-1,021,791,640,510.80-415,260,295,645.04

Finding the Fourth Proportional to 740,487,931,408.52, 1,021,791,640,510.80 and 415,260,295,645.04

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Solution

The fourth proportional to 740,487,931,408.52, 1,021,791,640,510.80 and 415,260,295,645.04 is: 573,013,388,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,487,931,408.52 : 1,021,791,640,510.80 = 415,260,295,645.04 : x
  2. Step 2: Convert to fraction form
    740,487,931,408.52/1,021,791,640,510.80 = 415,260,295,645.04/x
  3. Step 3: Cross multiply
    740,487,931,408.52x = 1,021,791,640,510.80 × 415,260,295,645.04
  4. Step 4: Simplify right side
    740,487,931,408.52x = 424,309,498,726,145,241,120,768
  5. Step 5: Solve for x
    x = 424,309,498,726,145,241,120,768/740,487,931,408.52
  6. Step 6: Final answer
    x = 573,013,388,508.63

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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.