Home / 549,981,938.88-760,973,666.88-479,564,387.28

Finding the Fourth Proportional to 549,981,938.88, 760,973,666.88 and 479,564,387.28

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Solution

The fourth proportional to 549,981,938.88, 760,973,666.88 and 479,564,387.28 is: 663,541,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,981,938.88 : 760,973,666.88 = 479,564,387.28 : x
  2. Step 2: Convert to fraction form
    549,981,938.88/760,973,666.88 = 479,564,387.28/x
  3. Step 3: Cross multiply
    549,981,938.88x = 760,973,666.88 × 479,564,387.28
  4. Step 4: Simplify right side
    549,981,938.88x = 364,935,870,293,521,984
  5. Step 5: Solve for x
    x = 364,935,870,293,521,984/549,981,938.88
  6. Step 6: Final answer
    x = 663,541,553.81

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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.