Home / 15,875,877,568.36-21,908,497,188.90-8,835,345,334.12

Finding the Fourth Proportional to 15,875,877,568.36, 21,908,497,188.90 and 8,835,345,334.12

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Solution

The fourth proportional to 15,875,877,568.36, 21,908,497,188.90 and 8,835,345,334.12 is: 12,192,657,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875,877,568.36 : 21,908,497,188.90 = 8,835,345,334.12 : x
  2. Step 2: Convert to fraction form
    15,875,877,568.36/21,908,497,188.90 = 8,835,345,334.12/x
  3. Step 3: Cross multiply
    15,875,877,568.36x = 21,908,497,188.90 × 8,835,345,334.12
  4. Step 4: Simplify right side
    15,875,877,568.36x = 193,569,138,415,528,771,584
  5. Step 5: Solve for x
    x = 193,569,138,415,528,771,584/15,875,877,568.36
  6. Step 6: Final answer
    x = 12,192,657,544.88

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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.