Home / 19,266,216,011.60-28,900,428,407.91-5,100,813,676.22

Finding the Fourth Proportional to 19,266,216,011.60, 28,900,428,407.91 and 5,100,813,676.22

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Solution

The fourth proportional to 19,266,216,011.60, 28,900,428,407.91 and 5,100,813,676.22 is: 7,651,512,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266,216,011.60 : 28,900,428,407.91 = 5,100,813,676.22 : x
  2. Step 2: Convert to fraction form
    19,266,216,011.60/28,900,428,407.91 = 5,100,813,676.22/x
  3. Step 3: Cross multiply
    19,266,216,011.60x = 28,900,428,407.91 × 5,100,813,676.22
  4. Step 4: Simplify right side
    19,266,216,011.60x = 147,415,700,471,539,826,688
  5. Step 5: Solve for x
    x = 147,415,700,471,539,826,688/19,266,216,011.60
  6. Step 6: Final answer
    x = 7,651,512,906.47

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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.