Home / 15,897,582,943.80-21,938,025,730.96-8,663,476,805.32

Finding the Fourth Proportional to 15,897,582,943.80, 21,938,025,730.96 and 8,663,476,805.32

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Solution

The fourth proportional to 15,897,582,943.80, 21,938,025,730.96 and 8,663,476,805.32 is: 11,955,249,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897,582,943.80 : 21,938,025,730.96 = 8,663,476,805.32 : x
  2. Step 2: Convert to fraction form
    15,897,582,943.80/21,938,025,730.96 = 8,663,476,805.32/x
  3. Step 3: Cross multiply
    15,897,582,943.80x = 21,938,025,730.96 × 8,663,476,805.32
  4. Step 4: Simplify right side
    15,897,582,943.80x = 190,059,577,074,685,280,256
  5. Step 5: Solve for x
    x = 190,059,577,074,685,280,256/15,897,582,943.80
  6. Step 6: Final answer
    x = 11,955,249,911.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.