Home / 1,227,670,904.79-1,842,817,269.29-528,509,095.11

Finding the Fourth Proportional to 1,227,670,904.79, 1,842,817,269.29 and 528,509,095.11

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Solution

The fourth proportional to 1,227,670,904.79, 1,842,817,269.29 and 528,509,095.11 is: 793,327,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,670,904.79 : 1,842,817,269.29 = 528,509,095.11 : x
  2. Step 2: Convert to fraction form
    1,227,670,904.79/1,842,817,269.29 = 528,509,095.11/x
  3. Step 3: Cross multiply
    1,227,670,904.79x = 1,842,817,269.29 × 528,509,095.11
  4. Step 4: Simplify right side
    1,227,670,904.79x = 973,945,687,442,896,640
  5. Step 5: Solve for x
    x = 973,945,687,442,896,640/1,227,670,904.79
  6. Step 6: Final answer
    x = 793,327,986.88

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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.