Home / 517,918,526.69-776,354,207.65-223,005,972.59

Finding the Fourth Proportional to 517,918,526.69, 776,354,207.65 and 223,005,972.59

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Solution

The fourth proportional to 517,918,526.69, 776,354,207.65 and 223,005,972.59 is: 334,283,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,918,526.69 : 776,354,207.65 = 223,005,972.59 : x
  2. Step 2: Convert to fraction form
    517,918,526.69/776,354,207.65 = 223,005,972.59/x
  3. Step 3: Cross multiply
    517,918,526.69x = 776,354,207.65 × 223,005,972.59
  4. Step 4: Simplify right side
    517,918,526.69x = 173,131,625,146,887,808
  5. Step 5: Solve for x
    x = 173,131,625,146,887,808/517,918,526.69
  6. Step 6: Final answer
    x = 334,283,514.16

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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.