Home / 638,858,237.63-881,632,934.00-360,398,900.03

Finding the Fourth Proportional to 638,858,237.63, 881,632,934.00 and 360,398,900.03

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Solution

The fourth proportional to 638,858,237.63, 881,632,934.00 and 360,398,900.03 is: 497,355,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,858,237.63 : 881,632,934.00 = 360,398,900.03 : x
  2. Step 2: Convert to fraction form
    638,858,237.63/881,632,934.00 = 360,398,900.03/x
  3. Step 3: Cross multiply
    638,858,237.63x = 881,632,934.00 × 360,398,900.03
  4. Step 4: Simplify right side
    638,858,237.63x = 317,739,539,637,611,392
  5. Step 5: Solve for x
    x = 317,739,539,637,611,392/638,858,237.63
  6. Step 6: Final answer
    x = 497,355,314.41

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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.