Home / 15,875,877,569.36-21,908,497,190.28-8,835,345,335.12

Finding the Fourth Proportional to 15,875,877,569.36, 21,908,497,190.28 and 8,835,345,335.12

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Solution

The fourth proportional to 15,875,877,569.36, 21,908,497,190.28 and 8,835,345,335.12 is: 12,192,657,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875,877,569.36 : 21,908,497,190.28 = 8,835,345,335.12 : x
  2. Step 2: Convert to fraction form
    15,875,877,569.36/21,908,497,190.28 = 8,835,345,335.12/x
  3. Step 3: Cross multiply
    15,875,877,569.36x = 21,908,497,190.28 × 8,835,345,335.12
  4. Step 4: Simplify right side
    15,875,877,569.36x = 193,569,138,449,630,035,968
  5. Step 5: Solve for x
    x = 193,569,138,449,630,035,968/15,875,877,569.36
  6. Step 6: Final answer
    x = 12,192,657,546.26

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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.