Home / 1,407,918,572.70-2,111,958,564.76-372,752,554.92

Finding the Fourth Proportional to 1,407,918,572.70, 2,111,958,564.76 and 372,752,554.92

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Solution

The fourth proportional to 1,407,918,572.70, 2,111,958,564.76 and 372,752,554.92 is: 559,150,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,918,572.70 : 2,111,958,564.76 = 372,752,554.92 : x
  2. Step 2: Convert to fraction form
    1,407,918,572.70/2,111,958,564.76 = 372,752,554.92/x
  3. Step 3: Cross multiply
    1,407,918,572.70x = 2,111,958,564.76 × 372,752,554.92
  4. Step 4: Simplify right side
    1,407,918,572.70x = 787,237,950,899,466,368
  5. Step 5: Solve for x
    x = 787,237,950,899,466,368/1,407,918,572.70
  6. Step 6: Final answer
    x = 559,150,199.57

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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.