Home / 384,520,407.90-575,824,018.06-268,963,876.86

Finding the Fourth Proportional to 384,520,407.90, 575,824,018.06 and 268,963,876.86

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Solution

The fourth proportional to 384,520,407.90, 575,824,018.06 and 268,963,876.86 is: 402,776,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,520,407.90 : 575,824,018.06 = 268,963,876.86 : x
  2. Step 2: Convert to fraction form
    384,520,407.90/575,824,018.06 = 268,963,876.86/x
  3. Step 3: Cross multiply
    384,520,407.90x = 575,824,018.06 × 268,963,876.86
  4. Step 4: Simplify right side
    384,520,407.90x = 154,875,860,286,520,256
  5. Step 5: Solve for x
    x = 154,875,860,286,520,256/384,520,407.90
  6. Step 6: Final answer
    x = 402,776,698.21

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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.