Home / 1,262,232,903.67-1,893,349,371.94-342,109,242.29

Finding the Fourth Proportional to 1,262,232,903.67, 1,893,349,371.94 and 342,109,242.29

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Solution

The fourth proportional to 1,262,232,903.67, 1,893,349,371.94 and 342,109,242.29 is: 513,163,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,232,903.67 : 1,893,349,371.94 = 342,109,242.29 : x
  2. Step 2: Convert to fraction form
    1,262,232,903.67/1,893,349,371.94 = 342,109,242.29/x
  3. Step 3: Cross multiply
    1,262,232,903.67x = 1,893,349,371.94 × 342,109,242.29
  4. Step 4: Simplify right side
    1,262,232,903.67x = 647,732,319,028,518,912
  5. Step 5: Solve for x
    x = 647,732,319,028,518,912/1,262,232,903.67
  6. Step 6: Final answer
    x = 513,163,867.89

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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.