Home / 1,155,068,173.81-1,732,479,435.56-326,001,318.13

Finding the Fourth Proportional to 1,155,068,173.81, 1,732,479,435.56 and 326,001,318.13

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Solution

The fourth proportional to 1,155,068,173.81, 1,732,479,435.56 and 326,001,318.13 is: 488,967,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,068,173.81 : 1,732,479,435.56 = 326,001,318.13 : x
  2. Step 2: Convert to fraction form
    1,155,068,173.81/1,732,479,435.56 = 326,001,318.13/x
  3. Step 3: Cross multiply
    1,155,068,173.81x = 1,732,479,435.56 × 326,001,318.13
  4. Step 4: Simplify right side
    1,155,068,173.81x = 564,790,579,626,800,768
  5. Step 5: Solve for x
    x = 564,790,579,626,800,768/1,155,068,173.81
  6. Step 6: Final answer
    x = 488,967,311.57

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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.