Home / 626,349,386.98-939,645,066.07-238,142,033.30

Finding the Fourth Proportional to 626,349,386.98, 939,645,066.07 and 238,142,033.30

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Solution

The fourth proportional to 626,349,386.98, 939,645,066.07 and 238,142,033.30 is: 357,259,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,349,386.98 : 939,645,066.07 = 238,142,033.30 : x
  2. Step 2: Convert to fraction form
    626,349,386.98/939,645,066.07 = 238,142,033.30/x
  3. Step 3: Cross multiply
    626,349,386.98x = 939,645,066.07 × 238,142,033.30
  4. Step 4: Simplify right side
    626,349,386.98x = 223,768,986,616,876,576
  5. Step 5: Solve for x
    x = 223,768,986,616,876,576/626,349,386.98
  6. Step 6: Final answer
    x = 357,259,049.45

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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.