Home / 811,103,628.48-1,216,655,442.72-811,103,628.48

Finding the Fourth Proportional to 811,103,628.48, 1,216,655,442.72 and 811,103,628.48

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Solution

The fourth proportional to 811,103,628.48, 1,216,655,442.72 and 811,103,628.48 is: 1,216,655,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,103,628.48 : 1,216,655,442.72 = 811,103,628.48 : x
  2. Step 2: Convert to fraction form
    811,103,628.48/1,216,655,442.72 = 811,103,628.48/x
  3. Step 3: Cross multiply
    811,103,628.48x = 1,216,655,442.72 × 811,103,628.48
  4. Step 4: Simplify right side
    811,103,628.48x = 986,833,644,200,132,864
  5. Step 5: Solve for x
    x = 986,833,644,200,132,864/811,103,628.48
  6. Step 6: Final answer
    x = 1,216,655,442.72

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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.