Home / 520,021,508.10-780,032,262.15-174,860,420.10

Finding the Fourth Proportional to 520,021,508.10, 780,032,262.15 and 174,860,420.10

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Solution

The fourth proportional to 520,021,508.10, 780,032,262.15 and 174,860,420.10 is: 262,290,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,021,508.10 : 780,032,262.15 = 174,860,420.10 : x
  2. Step 2: Convert to fraction form
    520,021,508.10/780,032,262.15 = 174,860,420.10/x
  3. Step 3: Cross multiply
    520,021,508.10x = 780,032,262.15 × 174,860,420.10
  4. Step 4: Simplify right side
    520,021,508.10x = 136,396,769,051,102,320
  5. Step 5: Solve for x
    x = 136,396,769,051,102,320/520,021,508.10
  6. Step 6: Final answer
    x = 262,290,630.15

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Double scale
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Similar ratio
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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.