Home / 453,470,030.55-680,312,990.72-146,762,143.43

Finding the Fourth Proportional to 453,470,030.55, 680,312,990.72 and 146,762,143.43

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Solution

The fourth proportional to 453,470,030.55, 680,312,990.72 and 146,762,143.43 is: 220,178,150.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,470,030.55 : 680,312,990.72 = 146,762,143.43 : x
  2. Step 2: Convert to fraction form
    453,470,030.55/680,312,990.72 = 146,762,143.43/x
  3. Step 3: Cross multiply
    453,470,030.55x = 680,312,990.72 × 146,762,143.43
  4. Step 4: Simplify right side
    453,470,030.55x = 99,844,192,718,306,240
  5. Step 5: Solve for x
    x = 99,844,192,718,306,240/453,470,030.55
  6. Step 6: Final answer
    x = 220,178,150.69

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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.