Home / 818,185,345.78-1,128,761,519.13-604,117,023.58

Finding the Fourth Proportional to 818,185,345.78, 1,128,761,519.13 and 604,117,023.58

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Solution

The fourth proportional to 818,185,345.78, 1,128,761,519.13 and 604,117,023.58 is: 833,434,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,185,345.78 : 1,128,761,519.13 = 604,117,023.58 : x
  2. Step 2: Convert to fraction form
    818,185,345.78/1,128,761,519.13 = 604,117,023.58/x
  3. Step 3: Cross multiply
    818,185,345.78x = 1,128,761,519.13 × 604,117,023.58
  4. Step 4: Simplify right side
    818,185,345.78x = 681,904,049,268,454,912
  5. Step 5: Solve for x
    x = 681,904,049,268,454,912/818,185,345.78
  6. Step 6: Final answer
    x = 833,434,689.08

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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.