Home / 674,792,881,797.40-931,241,025,071.94-370,309,434,078.76

Finding the Fourth Proportional to 674,792,881,797.40, 931,241,025,071.94 and 370,309,434,078.76

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Solution

The fourth proportional to 674,792,881,797.40, 931,241,025,071.94 and 370,309,434,078.76 is: 511,041,752,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,792,881,797.40 : 931,241,025,071.94 = 370,309,434,078.76 : x
  2. Step 2: Convert to fraction form
    674,792,881,797.40/931,241,025,071.94 = 370,309,434,078.76/x
  3. Step 3: Cross multiply
    674,792,881,797.40x = 931,241,025,071.94 × 370,309,434,078.76
  4. Step 4: Simplify right side
    674,792,881,797.40x = 344,847,336,985,314,430,287,872
  5. Step 5: Solve for x
    x = 344,847,336,985,314,430,287,872/674,792,881,797.40
  6. Step 6: Final answer
    x = 511,041,752,643.82

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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.