Home / 314,927,999.70-472,391,999.55-294,772,607.70

Finding the Fourth Proportional to 314,927,999.70, 472,391,999.55 and 294,772,607.70

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Solution

The fourth proportional to 314,927,999.70, 472,391,999.55 and 294,772,607.70 is: 442,158,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,927,999.70 : 472,391,999.55 = 294,772,607.70 : x
  2. Step 2: Convert to fraction form
    314,927,999.70/472,391,999.55 = 294,772,607.70/x
  3. Step 3: Cross multiply
    314,927,999.70x = 472,391,999.55 × 294,772,607.70
  4. Step 4: Simplify right side
    314,927,999.70x = 139,248,221,563,970,720
  5. Step 5: Solve for x
    x = 139,248,221,563,970,720/314,927,999.70
  6. Step 6: Final answer
    x = 442,158,911.55

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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.