Home / 1,573,138,193,812.90-2,170,907,792,217.20-878,688,633,347.90

Finding the Fourth Proportional to 1,573,138,193,812.90, 2,170,907,792,217.20 and 878,688,633,347.90

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Solution

The fourth proportional to 1,573,138,193,812.90, 2,170,907,792,217.20 and 878,688,633,347.90 is: 1,212,577,514,531.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,138,193,812.90 : 2,170,907,792,217.20 = 878,688,633,347.90 : x
  2. Step 2: Convert to fraction form
    1,573,138,193,812.90/2,170,907,792,217.20 = 878,688,633,347.90/x
  3. Step 3: Cross multiply
    1,573,138,193,812.90x = 2,170,907,792,217.20 × 878,688,633,347.90
  4. Step 4: Simplify right side
    1,573,138,193,812.90x = 1,907,552,001,067,638,381,871,104
  5. Step 5: Solve for x
    x = 1,907,552,001,067,638,381,871,104/1,573,138,193,812.90
  6. Step 6: Final answer
    x = 1,212,577,514,531.13

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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.