Home / 689,496,674.30-1,034,245,011.45-603,403,232.30

Finding the Fourth Proportional to 689,496,674.30, 1,034,245,011.45 and 603,403,232.30

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Solution

The fourth proportional to 689,496,674.30, 1,034,245,011.45 and 603,403,232.30 is: 905,104,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,496,674.30 : 1,034,245,011.45 = 603,403,232.30 : x
  2. Step 2: Convert to fraction form
    689,496,674.30/1,034,245,011.45 = 603,403,232.30/x
  3. Step 3: Cross multiply
    689,496,674.30x = 1,034,245,011.45 × 603,403,232.30
  4. Step 4: Simplify right side
    689,496,674.30x = 624,066,782,899,080,448
  5. Step 5: Solve for x
    x = 624,066,782,899,080,448/689,496,674.30
  6. Step 6: Final answer
    x = 905,104,848.45

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1.5x scale

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.