Home / 438,048,053.70-657,072,080.55-223,057,205.70

Finding the Fourth Proportional to 438,048,053.70, 657,072,080.55 and 223,057,205.70

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Solution

The fourth proportional to 438,048,053.70, 657,072,080.55 and 223,057,205.70 is: 334,585,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,048,053.70 : 657,072,080.55 = 223,057,205.70 : x
  2. Step 2: Convert to fraction form
    438,048,053.70/657,072,080.55 = 223,057,205.70/x
  3. Step 3: Cross multiply
    438,048,053.70x = 657,072,080.55 × 223,057,205.70
  4. Step 4: Simplify right side
    438,048,053.70x = 146,564,662,230,968,288
  5. Step 5: Solve for x
    x = 146,564,662,230,968,288/438,048,053.70
  6. Step 6: Final answer
    x = 334,585,808.55

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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.