Home / 957,818,817.04-1,321,539,824.55-561,128,557.30

Finding the Fourth Proportional to 957,818,817.04, 1,321,539,824.55 and 561,128,557.30

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Solution

The fourth proportional to 957,818,817.04, 1,321,539,824.55 and 561,128,557.30 is: 774,210,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,818,817.04 : 1,321,539,824.55 = 561,128,557.30 : x
  2. Step 2: Convert to fraction form
    957,818,817.04/1,321,539,824.55 = 561,128,557.30/x
  3. Step 3: Cross multiply
    957,818,817.04x = 1,321,539,824.55 × 561,128,557.30
  4. Step 4: Simplify right side
    957,818,817.04x = 741,553,735,164,236,544
  5. Step 5: Solve for x
    x = 741,553,735,164,236,544/957,818,817.04
  6. Step 6: Final answer
    x = 774,210,865.32

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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.