Home / 865,910,120.88-1,195,045,030.75-526,842,667.77

Finding the Fourth Proportional to 865,910,120.88, 1,195,045,030.75 and 526,842,667.77

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Solution

The fourth proportional to 865,910,120.88, 1,195,045,030.75 and 526,842,667.77 is: 727,097,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,910,120.88 : 1,195,045,030.75 = 526,842,667.77 : x
  2. Step 2: Convert to fraction form
    865,910,120.88/1,195,045,030.75 = 526,842,667.77/x
  3. Step 3: Cross multiply
    865,910,120.88x = 1,195,045,030.75 × 526,842,667.77
  4. Step 4: Simplify right side
    865,910,120.88x = 629,600,712,105,611,648
  5. Step 5: Solve for x
    x = 629,600,712,105,611,648/865,910,120.88
  6. Step 6: Final answer
    x = 727,097,070.38

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Double scale
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1.5x scale

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.