Home / 683,005,378.27-942,550,430.06-369,739,592.25

Finding the Fourth Proportional to 683,005,378.27, 942,550,430.06 and 369,739,592.25

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Solution

The fourth proportional to 683,005,378.27, 942,550,430.06 and 369,739,592.25 is: 510,242,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,005,378.27 : 942,550,430.06 = 369,739,592.25 : x
  2. Step 2: Convert to fraction form
    683,005,378.27/942,550,430.06 = 369,739,592.25/x
  3. Step 3: Cross multiply
    683,005,378.27x = 942,550,430.06 × 369,739,592.25
  4. Step 4: Simplify right side
    683,005,378.27x = 348,498,211,680,205,376
  5. Step 5: Solve for x
    x = 348,498,211,680,205,376/683,005,378.27
  6. Step 6: Final answer
    x = 510,242,265.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.