Home / 898,459,180.31-1,347,716,225.66-308,241,140.72

Finding the Fourth Proportional to 898,459,180.31, 1,347,716,225.66 and 308,241,140.72

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Solution

The fourth proportional to 898,459,180.31, 1,347,716,225.66 and 308,241,140.72 is: 462,371,130.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,459,180.31 : 1,347,716,225.66 = 308,241,140.72 : x
  2. Step 2: Convert to fraction form
    898,459,180.31/1,347,716,225.66 = 308,241,140.72/x
  3. Step 3: Cross multiply
    898,459,180.31x = 1,347,716,225.66 × 308,241,140.72
  4. Step 4: Simplify right side
    898,459,180.31x = 415,421,586,756,011,520
  5. Step 5: Solve for x
    x = 415,421,586,756,011,520/898,459,180.31
  6. Step 6: Final answer
    x = 462,371,130.33

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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.