Home / 15,402,732,176.16-21,255,754,282.28-8,628,598,439.76

Finding the Fourth Proportional to 15,402,732,176.16, 21,255,754,282.28 and 8,628,598,439.76

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Solution

The fourth proportional to 15,402,732,176.16, 21,255,754,282.28 and 8,628,598,439.76 is: 11,907,456,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402,732,176.16 : 21,255,754,282.28 = 8,628,598,439.76 : x
  2. Step 2: Convert to fraction form
    15,402,732,176.16/21,255,754,282.28 = 8,628,598,439.76/x
  3. Step 3: Cross multiply
    15,402,732,176.16x = 21,255,754,282.28 × 8,628,598,439.76
  4. Step 4: Simplify right side
    15,402,732,176.16x = 183,407,368,236,114,182,144
  5. Step 5: Solve for x
    x = 183,407,368,236,114,182,144/15,402,732,176.16
  6. Step 6: Final answer
    x = 11,907,456,816.00

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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.