Home / 279,246,943.80-418,870,415.70-249,114,239.10

Finding the Fourth Proportional to 279,246,943.80, 418,870,415.70 and 249,114,239.10

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Solution

The fourth proportional to 279,246,943.80, 418,870,415.70 and 249,114,239.10 is: 373,671,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,246,943.80 : 418,870,415.70 = 249,114,239.10 : x
  2. Step 2: Convert to fraction form
    279,246,943.80/418,870,415.70 = 249,114,239.10/x
  3. Step 3: Cross multiply
    279,246,943.80x = 418,870,415.70 × 249,114,239.10
  4. Step 4: Simplify right side
    279,246,943.80x = 104,346,584,888,606,192
  5. Step 5: Solve for x
    x = 104,346,584,888,606,192/279,246,943.80
  6. Step 6: Final answer
    x = 373,671,358.65

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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.