Home / 1,142,667,367.32-1,575,286,962.48-766,391,196.06

Finding the Fourth Proportional to 1,142,667,367.32, 1,575,286,962.48 and 766,391,196.06

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Solution

The fourth proportional to 1,142,667,367.32, 1,575,286,962.48 and 766,391,196.06 is: 1,056,550,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,667,367.32 : 1,575,286,962.48 = 766,391,196.06 : x
  2. Step 2: Convert to fraction form
    1,142,667,367.32/1,575,286,962.48 = 766,391,196.06/x
  3. Step 3: Cross multiply
    1,142,667,367.32x = 1,575,286,962.48 × 766,391,196.06
  4. Step 4: Simplify right side
    1,142,667,367.32x = 1,207,286,059,312,771,584
  5. Step 5: Solve for x
    x = 1,207,286,059,312,771,584/1,142,667,367.32
  6. Step 6: Final answer
    x = 1,056,550,745.95

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Double scale
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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.