Home / 1,013,317,946.28-1,397,657,727.64-929,955,334.32

Finding the Fourth Proportional to 1,013,317,946.28, 1,397,657,727.64 and 929,955,334.32

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Solution

The fourth proportional to 1,013,317,946.28, 1,397,657,727.64 and 929,955,334.32 is: 1,282,676,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,317,946.28 : 1,397,657,727.64 = 929,955,334.32 : x
  2. Step 2: Convert to fraction form
    1,013,317,946.28/1,397,657,727.64 = 929,955,334.32/x
  3. Step 3: Cross multiply
    1,013,317,946.28x = 1,397,657,727.64 × 929,955,334.32
  4. Step 4: Simplify right side
    1,013,317,946.28x = 1,299,759,259,372,387,840
  5. Step 5: Solve for x
    x = 1,299,759,259,372,387,840/1,013,317,946.28
  6. Step 6: Final answer
    x = 1,282,676,640.78

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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.