Home / 519,455,697.30-716,849,560.98-281,301,297.12

Finding the Fourth Proportional to 519,455,697.30, 716,849,560.98 and 281,301,297.12

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Solution

The fourth proportional to 519,455,697.30, 716,849,560.98 and 281,301,297.12 is: 388,196,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,455,697.30 : 716,849,560.98 = 281,301,297.12 : x
  2. Step 2: Convert to fraction form
    519,455,697.30/716,849,560.98 = 281,301,297.12/x
  3. Step 3: Cross multiply
    519,455,697.30x = 716,849,560.98 × 281,301,297.12
  4. Step 4: Simplify right side
    519,455,697.30x = 201,650,711,343,576,544
  5. Step 5: Solve for x
    x = 201,650,711,343,576,544/519,455,697.30
  6. Step 6: Final answer
    x = 388,196,168.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.