Home / 712,157,689.53-1,066,945,116.06-696,660,869.97

Finding the Fourth Proportional to 712,157,689.53, 1,066,945,116.06 and 696,660,869.97

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Solution

The fourth proportional to 712,157,689.53, 1,066,945,116.06 and 696,660,869.97 is: 1,043,727,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,157,689.53 : 1,066,945,116.06 = 696,660,869.97 : x
  2. Step 2: Convert to fraction form
    712,157,689.53/1,066,945,116.06 = 696,660,869.97/x
  3. Step 3: Cross multiply
    712,157,689.53x = 1,066,945,116.06 × 696,660,869.97
  4. Step 4: Simplify right side
    712,157,689.53x = 743,298,912,764,602,240
  5. Step 5: Solve for x
    x = 743,298,912,764,602,240/712,157,689.53
  6. Step 6: Final answer
    x = 1,043,727,988.47

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1.5x scale

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.