Home / 526,822,728,274.92-727,021,977,084.90-286,238,622,299.88

Finding the Fourth Proportional to 526,822,728,274.92, 727,021,977,084.90 and 286,238,622,299.88

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Solution

The fourth proportional to 526,822,728,274.92, 727,021,977,084.90 and 286,238,622,299.88 is: 395,012,891,307.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,822,728,274.92 : 727,021,977,084.90 = 286,238,622,299.88 : x
  2. Step 2: Convert to fraction form
    526,822,728,274.92/727,021,977,084.90 = 286,238,622,299.88/x
  3. Step 3: Cross multiply
    526,822,728,274.92x = 727,021,977,084.90 × 286,238,622,299.88
  4. Step 4: Simplify right side
    526,822,728,274.92x = 208,101,769,102,516,729,937,920
  5. Step 5: Solve for x
    x = 208,101,769,102,516,729,937,920/526,822,728,274.92
  6. Step 6: Final answer
    x = 395,012,891,307.76

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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.