Home / 631,745,127,479.32-947,584,316,684.52-207,217,472,156.44

Finding the Fourth Proportional to 631,745,127,479.32, 947,584,316,684.52 and 207,217,472,156.44

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Solution

The fourth proportional to 631,745,127,479.32, 947,584,316,684.52 and 207,217,472,156.44 is: 310,815,261,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,745,127,479.32 : 947,584,316,684.52 = 207,217,472,156.44 : x
  2. Step 2: Convert to fraction form
    631,745,127,479.32/947,584,316,684.52 = 207,217,472,156.44/x
  3. Step 3: Cross multiply
    631,745,127,479.32x = 947,584,316,684.52 × 207,217,472,156.44
  4. Step 4: Simplify right side
    631,745,127,479.32x = 196,356,026,758,453,748,826,112
  5. Step 5: Solve for x
    x = 196,356,026,758,453,748,826,112/631,745,127,479.32
  6. Step 6: Final answer
    x = 310,815,261,119.50

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Double scale
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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.