Home / 898,459,191.69-1,347,716,242.72-308,241,152.09

Finding the Fourth Proportional to 898,459,191.69, 1,347,716,242.72 and 308,241,152.09

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Solution

The fourth proportional to 898,459,191.69, 1,347,716,242.72 and 308,241,152.09 is: 462,371,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,459,191.69 : 1,347,716,242.72 = 308,241,152.09 : x
  2. Step 2: Convert to fraction form
    898,459,191.69/1,347,716,242.72 = 308,241,152.09/x
  3. Step 3: Cross multiply
    898,459,191.69x = 1,347,716,242.72 × 308,241,152.09
  4. Step 4: Simplify right side
    898,459,191.69x = 415,421,607,346,418,880
  5. Step 5: Solve for x
    x = 415,421,607,346,418,880/898,459,191.69
  6. Step 6: Final answer
    x = 462,371,147.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.