Home / 817,164,005.40-1,225,746,008.10-741,917,208.60

Finding the Fourth Proportional to 817,164,005.40, 1,225,746,008.10 and 741,917,208.60

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Solution

The fourth proportional to 817,164,005.40, 1,225,746,008.10 and 741,917,208.60 is: 1,112,875,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,164,005.40 : 1,225,746,008.10 = 741,917,208.60 : x
  2. Step 2: Convert to fraction form
    817,164,005.40/1,225,746,008.10 = 741,917,208.60/x
  3. Step 3: Cross multiply
    817,164,005.40x = 1,225,746,008.10 × 741,917,208.60
  4. Step 4: Simplify right side
    817,164,005.40x = 909,402,056,782,144,896
  5. Step 5: Solve for x
    x = 909,402,056,782,144,896/817,164,005.40
  6. Step 6: Final answer
    x = 1,112,875,812.90

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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.