Home / 809,200,063.32-1,116,696,070.62-437,922,164.76

Finding the Fourth Proportional to 809,200,063.32, 1,116,696,070.62 and 437,922,164.76

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Solution

The fourth proportional to 809,200,063.32, 1,116,696,070.62 and 437,922,164.76 is: 604,332,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,200,063.32 : 1,116,696,070.62 = 437,922,164.76 : x
  2. Step 2: Convert to fraction form
    809,200,063.32/1,116,696,070.62 = 437,922,164.76/x
  3. Step 3: Cross multiply
    809,200,063.32x = 1,116,696,070.62 × 437,922,164.76
  4. Step 4: Simplify right side
    809,200,063.32x = 489,025,960,624,896,192
  5. Step 5: Solve for x
    x = 489,025,960,624,896,192/809,200,063.32
  6. Step 6: Final answer
    x = 604,332,578.30

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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.