Home / 680,128,718,167.03-1,020,336,357,313.90-220,627,509,248.20

Finding the Fourth Proportional to 680,128,718,167.03, 1,020,336,357,313.90 and 220,627,509,248.20

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Solution

The fourth proportional to 680,128,718,167.03, 1,020,336,357,313.90 and 220,627,509,248.20 is: 330,987,742,608.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,128,718,167.03 : 1,020,336,357,313.90 = 220,627,509,248.20 : x
  2. Step 2: Convert to fraction form
    680,128,718,167.03/1,020,336,357,313.90 = 220,627,509,248.20/x
  3. Step 3: Cross multiply
    680,128,718,167.03x = 1,020,336,357,313.90 × 220,627,509,248.20
  4. Step 4: Simplify right side
    680,128,718,167.03x = 225,114,269,109,547,205,394,432
  5. Step 5: Solve for x
    x = 225,114,269,109,547,205,394,432/680,128,718,167.03
  6. Step 6: Final answer
    x = 330,987,742,608.84

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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.