Home / 507,191,282.34-760,255,938.05-212,255,384.24

Finding the Fourth Proportional to 507,191,282.34, 760,255,938.05 and 212,255,384.24

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Solution

The fourth proportional to 507,191,282.34, 760,255,938.05 and 212,255,384.24 is: 318,160,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,191,282.34 : 760,255,938.05 = 212,255,384.24 : x
  2. Step 2: Convert to fraction form
    507,191,282.34/760,255,938.05 = 212,255,384.24/x
  3. Step 3: Cross multiply
    507,191,282.34x = 760,255,938.05 × 212,255,384.24
  4. Step 4: Simplify right side
    507,191,282.34x = 161,368,416,246,681,824
  5. Step 5: Solve for x
    x = 161,368,416,246,681,824/507,191,282.34
  6. Step 6: Final answer
    x = 318,160,863.30

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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.