Home / 526,179,792.64-788,910,956.16-266,895,040.72

Finding the Fourth Proportional to 526,179,792.64, 788,910,956.16 and 266,895,040.72

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Solution

The fourth proportional to 526,179,792.64, 788,910,956.16 and 266,895,040.72 is: 400,160,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,179,792.64 : 788,910,956.16 = 266,895,040.72 : x
  2. Step 2: Convert to fraction form
    526,179,792.64/788,910,956.16 = 266,895,040.72/x
  3. Step 3: Cross multiply
    526,179,792.64x = 788,910,956.16 × 266,895,040.72
  4. Step 4: Simplify right side
    526,179,792.64x = 210,556,421,768,777,312
  5. Step 5: Solve for x
    x = 210,556,421,768,777,312/526,179,792.64
  6. Step 6: Final answer
    x = 400,160,600.45

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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.