Home / 1,126,955,009,879.30-1,555,112,564,647.10-632,464,064,883.80

Finding the Fourth Proportional to 1,126,955,009,879.30, 1,555,112,564,647.10 and 632,464,064,883.80

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Solution

The fourth proportional to 1,126,955,009,879.30, 1,555,112,564,647.10 and 632,464,064,883.80 is: 872,752,510,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,955,009,879.30 : 1,555,112,564,647.10 = 632,464,064,883.80 : x
  2. Step 2: Convert to fraction form
    1,126,955,009,879.30/1,555,112,564,647.10 = 632,464,064,883.80/x
  3. Step 3: Cross multiply
    1,126,955,009,879.30x = 1,555,112,564,647.10 × 632,464,064,883.80
  4. Step 4: Simplify right side
    1,126,955,009,879.30x = 983,552,813,988,576,206,258,176
  5. Step 5: Solve for x
    x = 983,552,813,988,576,206,258,176/1,126,955,009,879.30
  6. Step 6: Final answer
    x = 872,752,510,407.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.