Home / 840,792,788.45-1,160,271,568.23-464,441,276.15

Finding the Fourth Proportional to 840,792,788.45, 1,160,271,568.23 and 464,441,276.15

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Solution

The fourth proportional to 840,792,788.45, 1,160,271,568.23 and 464,441,276.15 is: 640,916,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,792,788.45 : 1,160,271,568.23 = 464,441,276.15 : x
  2. Step 2: Convert to fraction form
    840,792,788.45/1,160,271,568.23 = 464,441,276.15/x
  3. Step 3: Cross multiply
    840,792,788.45x = 1,160,271,568.23 × 464,441,276.15
  4. Step 4: Simplify right side
    840,792,788.45x = 538,878,007,823,501,632
  5. Step 5: Solve for x
    x = 538,878,007,823,501,632/840,792,788.45
  6. Step 6: Final answer
    x = 640,916,543.56

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1.5x scale

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.