Home / 10,513,408,910.40-15,769,088,488.80-2,758,621,838.40

Finding the Fourth Proportional to 10,513,408,910.40, 15,769,088,488.80 and 2,758,621,838.40

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Solution

The fourth proportional to 10,513,408,910.40, 15,769,088,488.80 and 2,758,621,838.40 is: 4,137,663,839.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513,408,910.40 : 15,769,088,488.80 = 2,758,621,838.40 : x
  2. Step 2: Convert to fraction form
    10,513,408,910.40/15,769,088,488.80 = 2,758,621,838.40/x
  3. Step 3: Cross multiply
    10,513,408,910.40x = 15,769,088,488.80 × 2,758,621,838.40
  4. Step 4: Simplify right side
    10,513,408,910.40x = 43,500,951,876,865,736,704
  5. Step 5: Solve for x
    x = 43,500,951,876,865,736,704/10,513,408,910.40
  6. Step 6: Final answer
    x = 4,137,663,839.35

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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.