Home / 579,870,194.32-800,220,984.84-319,109,810.32

Finding the Fourth Proportional to 579,870,194.32, 800,220,984.84 and 319,109,810.32

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Solution

The fourth proportional to 579,870,194.32, 800,220,984.84 and 319,109,810.32 is: 440,371,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,870,194.32 : 800,220,984.84 = 319,109,810.32 : x
  2. Step 2: Convert to fraction form
    579,870,194.32/800,220,984.84 = 319,109,810.32/x
  3. Step 3: Cross multiply
    579,870,194.32x = 800,220,984.84 × 319,109,810.32
  4. Step 4: Simplify right side
    579,870,194.32x = 255,358,366,686,376,000
  5. Step 5: Solve for x
    x = 255,358,366,686,376,000/579,870,194.32
  6. Step 6: Final answer
    x = 440,371,602.45

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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.