Home / 638,190,316.00-880,702,672.87-344,834,884.00

Finding the Fourth Proportional to 638,190,316.00, 880,702,672.87 and 344,834,884.00

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Solution

The fourth proportional to 638,190,316.00, 880,702,672.87 and 344,834,884.00 is: 475,872,159.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,190,316.00 : 880,702,672.87 = 344,834,884.00 : x
  2. Step 2: Convert to fraction form
    638,190,316.00/880,702,672.87 = 344,834,884.00/x
  3. Step 3: Cross multiply
    638,190,316.00x = 880,702,672.87 × 344,834,884.00
  4. Step 4: Simplify right side
    638,190,316.00x = 303,697,004,039,148,352
  5. Step 5: Solve for x
    x = 303,697,004,039,148,352/638,190,316.00
  6. Step 6: Final answer
    x = 475,872,159.80

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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.