Home / 425,505,931.33-637,365,068.16-269,979,684.07

Finding the Fourth Proportional to 425,505,931.33, 637,365,068.16 and 269,979,684.07

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Solution

The fourth proportional to 425,505,931.33, 637,365,068.16 and 269,979,684.07 is: 404,402,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,505,931.33 : 637,365,068.16 = 269,979,684.07 : x
  2. Step 2: Convert to fraction form
    425,505,931.33/637,365,068.16 = 269,979,684.07/x
  3. Step 3: Cross multiply
    425,505,931.33x = 637,365,068.16 × 269,979,684.07
  4. Step 4: Simplify right side
    425,505,931.33x = 172,075,619,734,554,080
  5. Step 5: Solve for x
    x = 172,075,619,734,554,080/425,505,931.33
  6. Step 6: Final answer
    x = 404,402,399.74

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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.