Home / 1,038,052,117.62-1,557,172,787.45-338,364,661.02

Finding the Fourth Proportional to 1,038,052,117.62, 1,557,172,787.45 and 338,364,661.02

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Solution

The fourth proportional to 1,038,052,117.62, 1,557,172,787.45 and 338,364,661.02 is: 507,577,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,052,117.62 : 1,557,172,787.45 = 338,364,661.02 : x
  2. Step 2: Convert to fraction form
    1,038,052,117.62/1,557,172,787.45 = 338,364,661.02/x
  3. Step 3: Cross multiply
    1,038,052,117.62x = 1,557,172,787.45 × 338,364,661.02
  4. Step 4: Simplify right side
    1,038,052,117.62x = 526,892,242,373,827,008
  5. Step 5: Solve for x
    x = 526,892,242,373,827,008/1,038,052,117.62
  6. Step 6: Final answer
    x = 507,577,831.05

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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.