Home / 667,529,913.40-1,001,294,870.10-437,632,473.40

Finding the Fourth Proportional to 667,529,913.40, 1,001,294,870.10 and 437,632,473.40

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Solution

The fourth proportional to 667,529,913.40, 1,001,294,870.10 and 437,632,473.40 is: 656,448,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,529,913.40 : 1,001,294,870.10 = 437,632,473.40 : x
  2. Step 2: Convert to fraction form
    667,529,913.40/1,001,294,870.10 = 437,632,473.40/x
  3. Step 3: Cross multiply
    667,529,913.40x = 1,001,294,870.10 × 437,632,473.40
  4. Step 4: Simplify right side
    667,529,913.40x = 438,199,150,604,594,688
  5. Step 5: Solve for x
    x = 438,199,150,604,594,688/667,529,913.40
  6. Step 6: Final answer
    x = 656,448,710.10

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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.