Home / 1,140,722,437.37-1,708,136,779.07-787,287,309.59

Finding the Fourth Proportional to 1,140,722,437.37, 1,708,136,779.07 and 787,287,309.59

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Solution

The fourth proportional to 1,140,722,437.37, 1,708,136,779.07 and 787,287,309.59 is: 1,178,897,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,722,437.37 : 1,708,136,779.07 = 787,287,309.59 : x
  2. Step 2: Convert to fraction form
    1,140,722,437.37/1,708,136,779.07 = 787,287,309.59/x
  3. Step 3: Cross multiply
    1,140,722,437.37x = 1,708,136,779.07 × 787,287,309.59
  4. Step 4: Simplify right side
    1,140,722,437.37x = 1,344,794,409,193,271,552
  5. Step 5: Solve for x
    x = 1,344,794,409,193,271,552/1,140,722,437.37
  6. Step 6: Final answer
    x = 1,178,897,131.45

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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.