Home / 15,778,117,275.66-21,774,486,283.92-8,737,586,907.66

Finding the Fourth Proportional to 15,778,117,275.66, 21,774,486,283.92 and 8,737,586,907.66

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Solution

The fourth proportional to 15,778,117,275.66, 21,774,486,283.92 and 8,737,586,907.66 is: 12,058,248,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778,117,275.66 : 21,774,486,283.92 = 8,737,586,907.66 : x
  2. Step 2: Convert to fraction form
    15,778,117,275.66/21,774,486,283.92 = 8,737,586,907.66/x
  3. Step 3: Cross multiply
    15,778,117,275.66x = 21,774,486,283.92 × 8,737,586,907.66
  4. Step 4: Simplify right side
    15,778,117,275.66x = 190,256,466,275,401,629,696
  5. Step 5: Solve for x
    x = 190,256,466,275,401,629,696/15,778,117,275.66
  6. Step 6: Final answer
    x = 12,058,248,962.88

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1.5x scale

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.