Home / 551,605,928.67-761,224,621.64-300,710,489.31

Finding the Fourth Proportional to 551,605,928.67, 761,224,621.64 and 300,710,489.31

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Solution

The fourth proportional to 551,605,928.67, 761,224,621.64 and 300,710,489.31 is: 414,985,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,605,928.67 : 761,224,621.64 = 300,710,489.31 : x
  2. Step 2: Convert to fraction form
    551,605,928.67/761,224,621.64 = 300,710,489.31/x
  3. Step 3: Cross multiply
    551,605,928.67x = 761,224,621.64 × 300,710,489.31
  4. Step 4: Simplify right side
    551,605,928.67x = 228,908,228,446,680,448
  5. Step 5: Solve for x
    x = 228,908,228,446,680,448/551,605,928.67
  6. Step 6: Final answer
    x = 414,985,076.39

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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.