Home / 12,418,584,796.92-18,618,693,853.86-7,510,167,377.40

Finding the Fourth Proportional to 12,418,584,796.92, 18,618,693,853.86 and 7,510,167,377.40

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Solution

The fourth proportional to 12,418,584,796.92, 18,618,693,853.86 and 7,510,167,377.40 is: 11,259,697,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,584,796.92 : 18,618,693,853.86 = 7,510,167,377.40 : x
  2. Step 2: Convert to fraction form
    12,418,584,796.92/18,618,693,853.86 = 7,510,167,377.40/x
  3. Step 3: Cross multiply
    12,418,584,796.92x = 18,618,693,853.86 × 7,510,167,377.40
  4. Step 4: Simplify right side
    12,418,584,796.92x = 139,829,507,191,057,252,352
  5. Step 5: Solve for x
    x = 139,829,507,191,057,252,352/12,418,584,796.92
  6. Step 6: Final answer
    x = 11,259,697,419.45

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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.