Home / 305,181,988,376.85-457,785,615,907.93-90,050,526,653.15

Finding the Fourth Proportional to 305,181,988,376.85, 457,785,615,907.93 and 90,050,526,653.15

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Solution

The fourth proportional to 305,181,988,376.85, 457,785,615,907.93 and 90,050,526,653.15 is: 135,079,517,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,181,988,376.85 : 457,785,615,907.93 = 90,050,526,653.15 : x
  2. Step 2: Convert to fraction form
    305,181,988,376.85/457,785,615,907.93 = 90,050,526,653.15/x
  3. Step 3: Cross multiply
    305,181,988,376.85x = 457,785,615,907.93 × 90,050,526,653.15
  4. Step 4: Simplify right side
    305,181,988,376.85x = 41,223,835,806,746,646,937,600
  5. Step 5: Solve for x
    x = 41,223,835,806,746,646,937,600/305,181,988,376.85
  6. Step 6: Final answer
    x = 135,079,517,719.91

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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.