Home / 1,077,786,328.32-1,487,336,477.76-625,706,248.32

Finding the Fourth Proportional to 1,077,786,328.32, 1,487,336,477.76 and 625,706,248.32

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Solution

The fourth proportional to 1,077,786,328.32, 1,487,336,477.76 and 625,706,248.32 is: 863,469,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,786,328.32 : 1,487,336,477.76 = 625,706,248.32 : x
  2. Step 2: Convert to fraction form
    1,077,786,328.32/1,487,336,477.76 = 625,706,248.32/x
  3. Step 3: Cross multiply
    1,077,786,328.32x = 1,487,336,477.76 × 625,706,248.32
  4. Step 4: Simplify right side
    1,077,786,328.32x = 930,635,727,488,692,736
  5. Step 5: Solve for x
    x = 930,635,727,488,692,736/1,077,786,328.32
  6. Step 6: Final answer
    x = 863,469,597.86

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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.