Home / 633,084,829.23-873,705,531.75-398,336,710.71

Finding the Fourth Proportional to 633,084,829.23, 873,705,531.75 and 398,336,710.71

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Solution

The fourth proportional to 633,084,829.23, 873,705,531.75 and 398,336,710.71 is: 549,735,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,084,829.23 : 873,705,531.75 = 398,336,710.71 : x
  2. Step 2: Convert to fraction form
    633,084,829.23/873,705,531.75 = 398,336,710.71/x
  3. Step 3: Cross multiply
    633,084,829.23x = 873,705,531.75 × 398,336,710.71
  4. Step 4: Simplify right side
    633,084,829.23x = 348,028,987,646,426,432
  5. Step 5: Solve for x
    x = 348,028,987,646,426,432/633,084,829.23
  6. Step 6: Final answer
    x = 549,735,156.46

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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.