Home / 911,557,254.24-1,257,254,958.53-784,613,987.36

Finding the Fourth Proportional to 911,557,254.24, 1,257,254,958.53 and 784,613,987.36

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Solution

The fourth proportional to 911,557,254.24, 1,257,254,958.53 and 784,613,987.36 is: 1,082,169,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,557,254.24 : 1,257,254,958.53 = 784,613,987.36 : x
  2. Step 2: Convert to fraction form
    911,557,254.24/1,257,254,958.53 = 784,613,987.36/x
  3. Step 3: Cross multiply
    911,557,254.24x = 1,257,254,958.53 × 784,613,987.36
  4. Step 4: Simplify right side
    911,557,254.24x = 986,459,826,130,145,536
  5. Step 5: Solve for x
    x = 986,459,826,130,145,536/911,557,254.24
  6. Step 6: Final answer
    x = 1,082,169,903.80

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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.