Home / 28,627,718,177.01-42,927,210,422.46-16,679,831,721.54

Finding the Fourth Proportional to 28,627,718,177.01, 42,927,210,422.46 and 16,679,831,721.54

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Solution

The fourth proportional to 28,627,718,177.01, 42,927,210,422.46 and 16,679,831,721.54 is: 25,011,376,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627,718,177.01 : 42,927,210,422.46 = 16,679,831,721.54 : x
  2. Step 2: Convert to fraction form
    28,627,718,177.01/42,927,210,422.46 = 16,679,831,721.54/x
  3. Step 3: Cross multiply
    28,627,718,177.01x = 42,927,210,422.46 × 16,679,831,721.54
  4. Step 4: Simplify right side
    28,627,718,177.01x = 716,018,646,121,770,778,624
  5. Step 5: Solve for x
    x = 716,018,646,121,770,778,624/28,627,718,177.01
  6. Step 6: Final answer
    x = 25,011,376,795.54

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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.