Home / 378,416,006.40-567,624,009.60-372,038,714.40

Finding the Fourth Proportional to 378,416,006.40, 567,624,009.60 and 372,038,714.40

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Solution

The fourth proportional to 378,416,006.40, 567,624,009.60 and 372,038,714.40 is: 558,058,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,416,006.40 : 567,624,009.60 = 372,038,714.40 : x
  2. Step 2: Convert to fraction form
    378,416,006.40/567,624,009.60 = 372,038,714.40/x
  3. Step 3: Cross multiply
    378,416,006.40x = 567,624,009.60 × 372,038,714.40
  4. Step 4: Simplify right side
    378,416,006.40x = 211,178,106,794,157,248
  5. Step 5: Solve for x
    x = 211,178,106,794,157,248/378,416,006.40
  6. Step 6: Final answer
    x = 558,058,071.60

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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.