Home / 508,775,466.30-763,163,199.45-181,620,386.70

Finding the Fourth Proportional to 508,775,466.30, 763,163,199.45 and 181,620,386.70

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Solution

The fourth proportional to 508,775,466.30, 763,163,199.45 and 181,620,386.70 is: 272,430,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,775,466.30 : 763,163,199.45 = 181,620,386.70 : x
  2. Step 2: Convert to fraction form
    508,775,466.30/763,163,199.45 = 181,620,386.70/x
  3. Step 3: Cross multiply
    508,775,466.30x = 763,163,199.45 × 181,620,386.70
  4. Step 4: Simplify right side
    508,775,466.30x = 138,605,995,399,318,224
  5. Step 5: Solve for x
    x = 138,605,995,399,318,224/508,775,466.30
  6. Step 6: Final answer
    x = 272,430,580.05

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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.