Home / 392,746,339.57-542,507,307.56-291,110,056.03

Finding the Fourth Proportional to 392,746,339.57, 542,507,307.56 and 291,110,056.03

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Solution

The fourth proportional to 392,746,339.57, 542,507,307.56 and 291,110,056.03 is: 402,115,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,746,339.57 : 542,507,307.56 = 291,110,056.03 : x
  2. Step 2: Convert to fraction form
    392,746,339.57/542,507,307.56 = 291,110,056.03/x
  3. Step 3: Cross multiply
    392,746,339.57x = 542,507,307.56 × 291,110,056.03
  4. Step 4: Simplify right side
    392,746,339.57x = 157,929,332,701,494,208
  5. Step 5: Solve for x
    x = 157,929,332,701,494,208/392,746,339.57
  6. Step 6: Final answer
    x = 402,115,352.31

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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.