Home / 1,422,278,184,097.80-1,962,745,346,660.50-771,956,901,794.85

Finding the Fourth Proportional to 1,422,278,184,097.80, 1,962,745,346,660.50 and 771,956,901,794.85

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Solution

The fourth proportional to 1,422,278,184,097.80, 1,962,745,346,660.50 and 771,956,901,794.85 is: 1,065,301,312,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,278,184,097.80 : 1,962,745,346,660.50 = 771,956,901,794.85 : x
  2. Step 2: Convert to fraction form
    1,422,278,184,097.80/1,962,745,346,660.50 = 771,956,901,794.85/x
  3. Step 3: Cross multiply
    1,422,278,184,097.80x = 1,962,745,346,660.50 × 771,956,901,794.85
  4. Step 4: Simplify right side
    1,422,278,184,097.80x = 1,515,154,816,820,298,358,194,176
  5. Step 5: Solve for x
    x = 1,515,154,816,820,298,358,194,176/1,422,278,184,097.80
  6. Step 6: Final answer
    x = 1,065,301,312,894.29

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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.