Home / 694,509,701.18-1,040,402,462.66-402,763,896.32

Finding the Fourth Proportional to 694,509,701.18, 1,040,402,462.66 and 402,763,896.32

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Solution

The fourth proportional to 694,509,701.18, 1,040,402,462.66 and 402,763,896.32 is: 603,355,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,509,701.18 : 1,040,402,462.66 = 402,763,896.32 : x
  2. Step 2: Convert to fraction form
    694,509,701.18/1,040,402,462.66 = 402,763,896.32/x
  3. Step 3: Cross multiply
    694,509,701.18x = 1,040,402,462.66 × 402,763,896.32
  4. Step 4: Simplify right side
    694,509,701.18x = 419,036,549,602,452,096
  5. Step 5: Solve for x
    x = 419,036,549,602,452,096/694,509,701.18
  6. Step 6: Final answer
    x = 603,355,934.25

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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.