Home / 1,001,665,083.51-1,382,292,723.38-555,623,828.93

Finding the Fourth Proportional to 1,001,665,083.51, 1,382,292,723.38 and 555,623,828.93

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Solution

The fourth proportional to 1,001,665,083.51, 1,382,292,723.38 and 555,623,828.93 is: 766,758,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,665,083.51 : 1,382,292,723.38 = 555,623,828.93 : x
  2. Step 2: Convert to fraction form
    1,001,665,083.51/1,382,292,723.38 = 555,623,828.93/x
  3. Step 3: Cross multiply
    1,001,665,083.51x = 1,382,292,723.38 × 555,623,828.93
  4. Step 4: Simplify right side
    1,001,665,083.51x = 768,034,775,656,783,232
  5. Step 5: Solve for x
    x = 768,034,775,656,783,232/1,001,665,083.51
  6. Step 6: Final answer
    x = 766,758,059.46

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Half scale
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Double scale
Find fourth proportional to 1,001,665,084.51, 1,382,292,724.75 and 555,623,829.93
Similar ratio
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1.5x scale

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.