Home / 1,026,079,210.60-1,415,951,375.56-556,170,442.48

Finding the Fourth Proportional to 1,026,079,210.60, 1,415,951,375.56 and 556,170,442.48

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Solution

The fourth proportional to 1,026,079,210.60, 1,415,951,375.56 and 556,170,442.48 is: 767,494,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,079,210.60 : 1,415,951,375.56 = 556,170,442.48 : x
  2. Step 2: Convert to fraction form
    1,026,079,210.60/1,415,951,375.56 = 556,170,442.48/x
  3. Step 3: Cross multiply
    1,026,079,210.60x = 1,415,951,375.56 × 556,170,442.48
  4. Step 4: Simplify right side
    1,026,079,210.60x = 787,510,303,075,369,856
  5. Step 5: Solve for x
    x = 787,510,303,075,369,856/1,026,079,210.60
  6. Step 6: Final answer
    x = 767,494,648.50

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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.