Home / 738,051,387-1,018,532,171.70-408,047,783.64

Finding the Fourth Proportional to 738,051,387, 1,018,532,171.70 and 408,047,783.64

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Solution

The fourth proportional to 738,051,387, 1,018,532,171.70 and 408,047,783.64 is: 563,117,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,387 : 1,018,532,171.70 = 408,047,783.64 : x
  2. Step 2: Convert to fraction form
    738,051,387/1,018,532,171.70 = 408,047,783.64/x
  3. Step 3: Cross multiply
    738,051,387x = 1,018,532,171.70 × 408,047,783.64
  4. Step 4: Simplify right side
    738,051,387x = 415,609,795,228,220,928
  5. Step 5: Solve for x
    x = 415,609,795,228,220,928/738,051,387
  6. Step 6: Final answer
    x = 563,117,694.17

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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.