Home / 1,250,956,440.53-1,726,315,150.47-686,450,767.03

Finding the Fourth Proportional to 1,250,956,440.53, 1,726,315,150.47 and 686,450,767.03

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Solution

The fourth proportional to 1,250,956,440.53, 1,726,315,150.47 and 686,450,767.03 is: 947,299,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,956,440.53 : 1,726,315,150.47 = 686,450,767.03 : x
  2. Step 2: Convert to fraction form
    1,250,956,440.53/1,726,315,150.47 = 686,450,767.03/x
  3. Step 3: Cross multiply
    1,250,956,440.53x = 1,726,315,150.47 × 686,450,767.03
  4. Step 4: Simplify right side
    1,250,956,440.53x = 1,185,030,359,167,009,792
  5. Step 5: Solve for x
    x = 1,185,030,359,167,009,792/1,250,956,440.53
  6. Step 6: Final answer
    x = 947,299,458.86

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Double scale
Find fourth proportional to 1,250,956,441.53, 1,726,315,151.85 and 686,450,768.03
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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.