Home / 383,763,094.81-529,593,071.67-207,551,090.16

Finding the Fourth Proportional to 383,763,094.81, 529,593,071.67 and 207,551,090.16

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Solution

The fourth proportional to 383,763,094.81, 529,593,071.67 and 207,551,090.16 is: 286,420,504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,763,094.81 : 529,593,071.67 = 207,551,090.16 : x
  2. Step 2: Convert to fraction form
    383,763,094.81/529,593,071.67 = 207,551,090.16/x
  3. Step 3: Cross multiply
    383,763,094.81x = 529,593,071.67 × 207,551,090.16
  4. Step 4: Simplify right side
    383,763,094.81x = 109,917,619,363,643,552
  5. Step 5: Solve for x
    x = 109,917,619,363,643,552/383,763,094.81
  6. Step 6: Final answer
    x = 286,420,504.87

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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.