Home / 673,918,100.51-1,010,985,774.62-207,579,307.59

Finding the Fourth Proportional to 673,918,100.51, 1,010,985,774.62 and 207,579,307.59

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Solution

The fourth proportional to 673,918,100.51, 1,010,985,774.62 and 207,579,307.59 is: 311,402,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,918,100.51 : 1,010,985,774.62 = 207,579,307.59 : x
  2. Step 2: Convert to fraction form
    673,918,100.51/1,010,985,774.62 = 207,579,307.59/x
  3. Step 3: Cross multiply
    673,918,100.51x = 1,010,985,774.62 × 207,579,307.59
  4. Step 4: Simplify right side
    673,918,100.51x = 209,859,727,079,478,336
  5. Step 5: Solve for x
    x = 209,859,727,079,478,336/673,918,100.51
  6. Step 6: Final answer
    x = 311,402,419.55

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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.