Home / 1,405,487,773.38-1,938,442,187.12-1,235,578,720.35

Finding the Fourth Proportional to 1,405,487,773.38, 1,938,442,187.12 and 1,235,578,720.35

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Solution

The fourth proportional to 1,405,487,773.38, 1,938,442,187.12 and 1,235,578,720.35 is: 1,704,104,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,487,773.38 : 1,938,442,187.12 = 1,235,578,720.35 : x
  2. Step 2: Convert to fraction form
    1,405,487,773.38/1,938,442,187.12 = 1,235,578,720.35/x
  3. Step 3: Cross multiply
    1,405,487,773.38x = 1,938,442,187.12 × 1,235,578,720.35
  4. Step 4: Simplify right side
    1,405,487,773.38x = 2,395,097,917,028,006,912
  5. Step 5: Solve for x
    x = 2,395,097,917,028,006,912/1,405,487,773.38
  6. Step 6: Final answer
    x = 1,704,104,413.00

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Double scale
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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.