Home / 889,386,501.70-1,227,353,348.04-492,969,048.74

Finding the Fourth Proportional to 889,386,501.70, 1,227,353,348.04 and 492,969,048.74

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Solution

The fourth proportional to 889,386,501.70, 1,227,353,348.04 and 492,969,048.74 is: 680,297,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,386,501.70 : 1,227,353,348.04 = 492,969,048.74 : x
  2. Step 2: Convert to fraction form
    889,386,501.70/1,227,353,348.04 = 492,969,048.74/x
  3. Step 3: Cross multiply
    889,386,501.70x = 1,227,353,348.04 × 492,969,048.74
  4. Step 4: Simplify right side
    889,386,501.70x = 605,047,212,447,725,440
  5. Step 5: Solve for x
    x = 605,047,212,447,725,440/889,386,501.70
  6. Step 6: Final answer
    x = 680,297,273.78

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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.