Home / 889,237,715.67-1,227,155,252.85-492,767,327.79

Finding the Fourth Proportional to 889,237,715.67, 1,227,155,252.85 and 492,767,327.79

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Solution

The fourth proportional to 889,237,715.67, 1,227,155,252.85 and 492,767,327.79 is: 680,022,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,237,715.67 : 1,227,155,252.85 = 492,767,327.79 : x
  2. Step 2: Convert to fraction form
    889,237,715.67/1,227,155,252.85 = 492,767,327.79/x
  3. Step 3: Cross multiply
    889,237,715.67x = 1,227,155,252.85 × 492,767,327.79
  4. Step 4: Simplify right side
    889,237,715.67x = 604,702,014,730,356,224
  5. Step 5: Solve for x
    x = 604,702,014,730,356,224/889,237,715.67
  6. Step 6: Final answer
    x = 680,022,905.10

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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.