Home / 1,025,486,284.08-1,415,169,157.28-555,599,283.60

Finding the Fourth Proportional to 1,025,486,284.08, 1,415,169,157.28 and 555,599,283.60

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Solution

The fourth proportional to 1,025,486,284.08, 1,415,169,157.28 and 555,599,283.60 is: 766,725,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,486,284.08 : 1,415,169,157.28 = 555,599,283.60 : x
  2. Step 2: Convert to fraction form
    1,025,486,284.08/1,415,169,157.28 = 555,599,283.60/x
  3. Step 3: Cross multiply
    1,025,486,284.08x = 1,415,169,157.28 × 555,599,283.60
  4. Step 4: Simplify right side
    1,025,486,284.08x = 786,266,969,957,583,744
  5. Step 5: Solve for x
    x = 786,266,969,957,583,744/1,025,486,284.08
  6. Step 6: Final answer
    x = 766,725,973.97

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Double scale
Find fourth proportional to 1,025,486,285.08, 1,415,169,158.66 and 555,599,284.60
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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.