Home / 314,929,798.80-472,394,698.20-238,402,294.80

Finding the Fourth Proportional to 314,929,798.80, 472,394,698.20 and 238,402,294.80

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Solution

The fourth proportional to 314,929,798.80, 472,394,698.20 and 238,402,294.80 is: 357,603,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,798.80 : 472,394,698.20 = 238,402,294.80 : x
  2. Step 2: Convert to fraction form
    314,929,798.80/472,394,698.20 = 238,402,294.80/x
  3. Step 3: Cross multiply
    314,929,798.80x = 472,394,698.20 × 238,402,294.80
  4. Step 4: Simplify right side
    314,929,798.80x = 112,619,980,102,233,440
  5. Step 5: Solve for x
    x = 112,619,980,102,233,440/314,929,798.80
  6. Step 6: Final answer
    x = 357,603,442.20

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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.