Home / 404,577,277.47-558,316,624.64-218,938,298.22

Finding the Fourth Proportional to 404,577,277.47, 558,316,624.64 and 218,938,298.22

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Solution

The fourth proportional to 404,577,277.47, 558,316,624.64 and 218,938,298.22 is: 302,134,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,577,277.47 : 558,316,624.64 = 218,938,298.22 : x
  2. Step 2: Convert to fraction form
    404,577,277.47/558,316,624.64 = 218,938,298.22/x
  3. Step 3: Cross multiply
    404,577,277.47x = 558,316,624.64 × 218,938,298.22
  4. Step 4: Simplify right side
    404,577,277.47x = 122,236,891,665,521,424
  5. Step 5: Solve for x
    x = 122,236,891,665,521,424/404,577,277.47
  6. Step 6: Final answer
    x = 302,134,841.65

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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.