Home / 631,745,127,582.54-947,584,316,838.92-207,217,472,259.66

Finding the Fourth Proportional to 631,745,127,582.54, 947,584,316,838.92 and 207,217,472,259.66

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Solution

The fourth proportional to 631,745,127,582.54, 947,584,316,838.92 and 207,217,472,259.66 is: 310,815,261,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,745,127,582.54 : 947,584,316,838.92 = 207,217,472,259.66 : x
  2. Step 2: Convert to fraction form
    631,745,127,582.54/947,584,316,838.92 = 207,217,472,259.66/x
  3. Step 3: Cross multiply
    631,745,127,582.54x = 947,584,316,838.92 × 207,217,472,259.66
  4. Step 4: Simplify right side
    631,745,127,582.54x = 196,356,026,888,257,793,949,696
  5. Step 5: Solve for x
    x = 196,356,026,888,257,793,949,696/631,745,127,582.54
  6. Step 6: Final answer
    x = 310,815,261,274.18

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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.