Home / 545,139,949.23-817,811,488.40-176,642,040.33

Finding the Fourth Proportional to 545,139,949.23, 817,811,488.40 and 176,642,040.33

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Solution

The fourth proportional to 545,139,949.23, 817,811,488.40 and 176,642,040.33 is: 264,995,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,139,949.23 : 817,811,488.40 = 176,642,040.33 : x
  2. Step 2: Convert to fraction form
    545,139,949.23/817,811,488.40 = 176,642,040.33/x
  3. Step 3: Cross multiply
    545,139,949.23x = 817,811,488.40 × 176,642,040.33
  4. Step 4: Simplify right side
    545,139,949.23x = 144,459,889,915,406,912
  5. Step 5: Solve for x
    x = 144,459,889,915,406,912/545,139,949.23
  6. Step 6: Final answer
    x = 264,995,970.52

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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.