Home / 319,429,117.78-440,816,465.57-180,199,448.98

Finding the Fourth Proportional to 319,429,117.78, 440,816,465.57 and 180,199,448.98

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Solution

The fourth proportional to 319,429,117.78, 440,816,465.57 and 180,199,448.98 is: 248,677,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,429,117.78 : 440,816,465.57 = 180,199,448.98 : x
  2. Step 2: Convert to fraction form
    319,429,117.78/440,816,465.57 = 180,199,448.98/x
  3. Step 3: Cross multiply
    319,429,117.78x = 440,816,465.57 × 180,199,448.98
  4. Step 4: Simplify right side
    319,429,117.78x = 79,434,884,196,036,624
  5. Step 5: Solve for x
    x = 79,434,884,196,036,624/319,429,117.78
  6. Step 6: Final answer
    x = 248,677,655.78

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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.