Home / 993,733,145.40-1,490,670,576.90-303,639,292.20

Finding the Fourth Proportional to 993,733,145.40, 1,490,670,576.90 and 303,639,292.20

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Solution

The fourth proportional to 993,733,145.40, 1,490,670,576.90 and 303,639,292.20 is: 455,480,589.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,733,145.40 : 1,490,670,576.90 = 303,639,292.20 : x
  2. Step 2: Convert to fraction form
    993,733,145.40/1,490,670,576.90 = 303,639,292.20/x
  3. Step 3: Cross multiply
    993,733,145.40x = 1,490,670,576.90 × 303,639,292.20
  4. Step 4: Simplify right side
    993,733,145.40x = 452,626,158,873,281,664
  5. Step 5: Solve for x
    x = 452,626,158,873,281,664/993,733,145.40
  6. Step 6: Final answer
    x = 455,480,589.50

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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.