Home / 880,736,767.20-1,321,105,150.80-590,499,122.40

Finding the Fourth Proportional to 880,736,767.20, 1,321,105,150.80 and 590,499,122.40

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Solution

The fourth proportional to 880,736,767.20, 1,321,105,150.80 and 590,499,122.40 is: 885,748,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,736,767.20 : 1,321,105,150.80 = 590,499,122.40 : x
  2. Step 2: Convert to fraction form
    880,736,767.20/1,321,105,150.80 = 590,499,122.40/x
  3. Step 3: Cross multiply
    880,736,767.20x = 1,321,105,150.80 × 590,499,122.40
  4. Step 4: Simplify right side
    880,736,767.20x = 780,111,432,145,519,616
  5. Step 5: Solve for x
    x = 780,111,432,145,519,616/880,736,767.20
  6. Step 6: Final answer
    x = 885,748,683.60

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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.