Home / 680,128,718,424.54-1,020,336,357,701-220,627,509,514.40

Finding the Fourth Proportional to 680,128,718,424.54, 1,020,336,357,701 and 220,627,509,514.40

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Solution

The fourth proportional to 680,128,718,424.54, 1,020,336,357,701 and 220,627,509,514.40 is: 330,987,743,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,128,718,424.54 : 1,020,336,357,701 = 220,627,509,514.40 : x
  2. Step 2: Convert to fraction form
    680,128,718,424.54/1,020,336,357,701 = 220,627,509,514.40/x
  3. Step 3: Cross multiply
    680,128,718,424.54x = 1,020,336,357,701 × 220,627,509,514.40
  4. Step 4: Simplify right side
    680,128,718,424.54x = 225,114,269,466,565,623,676,928
  5. Step 5: Solve for x
    x = 225,114,269,466,565,623,676,928/680,128,718,424.54
  6. Step 6: Final answer
    x = 330,987,743,008.45

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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.