Home / 652,527,840.32-899,862,480-438,430,645.44

Finding the Fourth Proportional to 652,527,840.32, 899,862,480 and 438,430,645.44

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Solution

The fourth proportional to 652,527,840.32, 899,862,480 and 438,430,645.44 is: 604,613,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,527,840.32 : 899,862,480 = 438,430,645.44 : x
  2. Step 2: Convert to fraction form
    652,527,840.32/899,862,480 = 438,430,645.44/x
  3. Step 3: Cross multiply
    652,527,840.32x = 899,862,480 × 438,430,645.44
  4. Step 4: Simplify right side
    652,527,840.32x = 394,527,287,913,639,104
  5. Step 5: Solve for x
    x = 394,527,287,913,639,104/652,527,840.32
  6. Step 6: Final answer
    x = 604,613,724.56

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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.