Home / 680,128,718,167.53-1,020,336,357,314.70-220,627,509,248.70

Finding the Fourth Proportional to 680,128,718,167.53, 1,020,336,357,314.70 and 220,627,509,248.70

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Solution

The fourth proportional to 680,128,718,167.53, 1,020,336,357,314.70 and 220,627,509,248.70 is: 330,987,742,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,128,718,167.53 : 1,020,336,357,314.70 = 220,627,509,248.70 : x
  2. Step 2: Convert to fraction form
    680,128,718,167.53/1,020,336,357,314.70 = 220,627,509,248.70/x
  3. Step 3: Cross multiply
    680,128,718,167.53x = 1,020,336,357,314.70 × 220,627,509,248.70
  4. Step 4: Simplify right side
    680,128,718,167.53x = 225,114,269,110,233,829,736,448
  5. Step 5: Solve for x
    x = 225,114,269,110,233,829,736,448/680,128,718,167.53
  6. Step 6: Final answer
    x = 330,987,742,609.60

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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.