Home / 1,720,103,818.56-2,373,944,792-977,659,483.84

Finding the Fourth Proportional to 1,720,103,818.56, 2,373,944,792 and 977,659,483.84

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Solution

The fourth proportional to 1,720,103,818.56, 2,373,944,792 and 977,659,483.84 is: 1,349,284,627.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,103,818.56 : 2,373,944,792 = 977,659,483.84 : x
  2. Step 2: Convert to fraction form
    1,720,103,818.56/2,373,944,792 = 977,659,483.84/x
  3. Step 3: Cross multiply
    1,720,103,818.56x = 2,373,944,792 × 977,659,483.84
  4. Step 4: Simplify right side
    1,720,103,818.56x = 2,320,909,640,011,376,128
  5. Step 5: Solve for x
    x = 2,320,909,640,011,376,128/1,720,103,818.56
  6. Step 6: Final answer
    x = 1,349,284,627.46

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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.