Home / 1,105,764,802.17-1,658,653,403.72-368,832,683.63

Finding the Fourth Proportional to 1,105,764,802.17, 1,658,653,403.72 and 368,832,683.63

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Solution

The fourth proportional to 1,105,764,802.17, 1,658,653,403.72 and 368,832,683.63 is: 553,251,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,764,802.17 : 1,658,653,403.72 = 368,832,683.63 : x
  2. Step 2: Convert to fraction form
    1,105,764,802.17/1,658,653,403.72 = 368,832,683.63/x
  3. Step 3: Cross multiply
    1,105,764,802.17x = 1,658,653,403.72 × 368,832,683.63
  4. Step 4: Simplify right side
    1,105,764,802.17x = 611,765,586,106,081,408
  5. Step 5: Solve for x
    x = 611,765,586,106,081,408/1,105,764,802.17
  6. Step 6: Final answer
    x = 553,251,093.64

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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.