Home / 7,988,358,318.40-11,982,537,477.60-3,333,572,887.60

Finding the Fourth Proportional to 7,988,358,318.40, 11,982,537,477.60 and 3,333,572,887.60

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Solution

The fourth proportional to 7,988,358,318.40, 11,982,537,477.60 and 3,333,572,887.60 is: 5,000,359,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,358,318.40 : 11,982,537,477.60 = 3,333,572,887.60 : x
  2. Step 2: Convert to fraction form
    7,988,358,318.40/11,982,537,477.60 = 3,333,572,887.60/x
  3. Step 3: Cross multiply
    7,988,358,318.40x = 11,982,537,477.60 × 3,333,572,887.60
  4. Step 4: Simplify right side
    7,988,358,318.40x = 39,944,662,059,978,252,288
  5. Step 5: Solve for x
    x = 39,944,662,059,978,252,288/7,988,358,318.40
  6. Step 6: Final answer
    x = 5,000,359,331.40

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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.