Home / 21,058,106,599.80-31,587,157,981.62-9,267,225,068.34

Finding the Fourth Proportional to 21,058,106,599.80, 31,587,157,981.62 and 9,267,225,068.34

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Solution

The fourth proportional to 21,058,106,599.80, 31,587,157,981.62 and 9,267,225,068.34 is: 13,900,836,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,106,599.80 : 31,587,157,981.62 = 9,267,225,068.34 : x
  2. Step 2: Convert to fraction form
    21,058,106,599.80/31,587,157,981.62 = 9,267,225,068.34/x
  3. Step 3: Cross multiply
    21,058,106,599.80x = 31,587,157,981.62 × 9,267,225,068.34
  4. Step 4: Simplify right side
    21,058,106,599.80x = 292,725,302,284,884,770,816
  5. Step 5: Solve for x
    x = 292,725,302,284,884,770,816/21,058,106,599.80
  6. Step 6: Final answer
    x = 13,900,836,758.40

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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.