Home / 319,306,000.40-478,063,205.40-310,348,048.40

Finding the Fourth Proportional to 319,306,000.40, 478,063,205.40 and 310,348,048.40

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Solution

The fourth proportional to 319,306,000.40, 478,063,205.40 and 310,348,048.40 is: 464,651,408.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,306,000.40 : 478,063,205.40 = 310,348,048.40 : x
  2. Step 2: Convert to fraction form
    319,306,000.40/478,063,205.40 = 310,348,048.40/x
  3. Step 3: Cross multiply
    319,306,000.40x = 478,063,205.40 × 310,348,048.40
  4. Step 4: Simplify right side
    319,306,000.40x = 148,365,982,807,738,336
  5. Step 5: Solve for x
    x = 148,365,982,807,738,336/319,306,000.40
  6. Step 6: Final answer
    x = 464,651,408.44

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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.