Home / 678,538,431.69-1,017,224,730.66-235,823,598.18

Finding the Fourth Proportional to 678,538,431.69, 1,017,224,730.66 and 235,823,598.18

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Solution

The fourth proportional to 678,538,431.69, 1,017,224,730.66 and 235,823,598.18 is: 353,532,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,538,431.69 : 1,017,224,730.66 = 235,823,598.18 : x
  2. Step 2: Convert to fraction form
    678,538,431.69/1,017,224,730.66 = 235,823,598.18/x
  3. Step 3: Cross multiply
    678,538,431.69x = 1,017,224,730.66 × 235,823,598.18
  4. Step 4: Simplify right side
    678,538,431.69x = 239,885,596,141,922,560
  5. Step 5: Solve for x
    x = 239,885,596,141,922,560/678,538,431.69
  6. Step 6: Final answer
    x = 353,532,806.60

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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.