Home / 657,529,786.17-907,358,860.38-360,173,347.62

Finding the Fourth Proportional to 657,529,786.17, 907,358,860.38 and 360,173,347.62

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Solution

The fourth proportional to 657,529,786.17, 907,358,860.38 and 360,173,347.62 is: 497,021,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,529,786.17 : 907,358,860.38 = 360,173,347.62 : x
  2. Step 2: Convert to fraction form
    657,529,786.17/907,358,860.38 = 360,173,347.62/x
  3. Step 3: Cross multiply
    657,529,786.17x = 907,358,860.38 × 360,173,347.62
  4. Step 4: Simplify right side
    657,529,786.17x = 326,806,478,235,732,800
  5. Step 5: Solve for x
    x = 326,806,478,235,732,800/657,529,786.17
  6. Step 6: Final answer
    x = 497,021,557.21

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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.