Home / 840,792,789.52-1,160,271,569.74-464,441,277.22

Finding the Fourth Proportional to 840,792,789.52, 1,160,271,569.74 and 464,441,277.22

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Solution

The fourth proportional to 840,792,789.52, 1,160,271,569.74 and 464,441,277.22 is: 640,916,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,792,789.52 : 1,160,271,569.74 = 464,441,277.22 : x
  2. Step 2: Convert to fraction form
    840,792,789.52/1,160,271,569.74 = 464,441,277.22/x
  3. Step 3: Cross multiply
    840,792,789.52x = 1,160,271,569.74 × 464,441,277.22
  4. Step 4: Simplify right side
    840,792,789.52x = 538,878,009,772,099,968
  5. Step 5: Solve for x
    x = 538,878,009,772,099,968/840,792,789.52
  6. Step 6: Final answer
    x = 640,916,545.06

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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.