Home / 2,281,212,678.52-3,147,533,880.02-1,291,138,095.52

Finding the Fourth Proportional to 2,281,212,678.52, 3,147,533,880.02 and 1,291,138,095.52

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Solution

The fourth proportional to 2,281,212,678.52, 3,147,533,880.02 and 1,291,138,095.52 is: 1,781,465,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,212,678.52 : 3,147,533,880.02 = 1,291,138,095.52 : x
  2. Step 2: Convert to fraction form
    2,281,212,678.52/3,147,533,880.02 = 1,291,138,095.52/x
  3. Step 3: Cross multiply
    2,281,212,678.52x = 3,147,533,880.02 × 1,291,138,095.52
  4. Step 4: Simplify right side
    2,281,212,678.52x = 4,063,900,899,433,698,816
  5. Step 5: Solve for x
    x = 4,063,900,899,433,698,816/2,281,212,678.52
  6. Step 6: Final answer
    x = 1,781,465,155.66

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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.