Home / 791,457,012,005.19-1,187,185,518,007.80-791,457,012,005.19

Finding the Fourth Proportional to 791,457,012,005.19, 1,187,185,518,007.80 and 791,457,012,005.19

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Solution

The fourth proportional to 791,457,012,005.19, 1,187,185,518,007.80 and 791,457,012,005.19 is: 1,187,185,518,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,457,012,005.19 : 1,187,185,518,007.80 = 791,457,012,005.19 : x
  2. Step 2: Convert to fraction form
    791,457,012,005.19/1,187,185,518,007.80 = 791,457,012,005.19/x
  3. Step 3: Cross multiply
    791,457,012,005.19x = 1,187,185,518,007.80 × 791,457,012,005.19
  4. Step 4: Simplify right side
    791,457,012,005.19x = 939,606,302,778,287,034,728,448
  5. Step 5: Solve for x
    x = 939,606,302,778,287,034,728,448/791,457,012,005.19
  6. Step 6: Final answer
    x = 1,187,185,518,007.80

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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.