Home / 664,803,979.40-917,433,098.42-363,389,696.01

Finding the Fourth Proportional to 664,803,979.40, 917,433,098.42 and 363,389,696.01

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Solution

The fourth proportional to 664,803,979.40, 917,433,098.42 and 363,389,696.01 is: 501,479,752.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,803,979.40 : 917,433,098.42 = 363,389,696.01 : x
  2. Step 2: Convert to fraction form
    664,803,979.40/917,433,098.42 = 363,389,696.01/x
  3. Step 3: Cross multiply
    664,803,979.40x = 917,433,098.42 × 363,389,696.01
  4. Step 4: Simplify right side
    664,803,979.40x = 333,385,734,742,539,264
  5. Step 5: Solve for x
    x = 333,385,734,742,539,264/664,803,979.40
  6. Step 6: Final answer
    x = 501,479,752.03

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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.