Home / 397,271,421.40-595,900,176.90-178,767,117.40

Finding the Fourth Proportional to 397,271,421.40, 595,900,176.90 and 178,767,117.40

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Solution

The fourth proportional to 397,271,421.40, 595,900,176.90 and 178,767,117.40 is: 268,147,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,271,421.40 : 595,900,176.90 = 178,767,117.40 : x
  2. Step 2: Convert to fraction form
    397,271,421.40/595,900,176.90 = 178,767,117.40/x
  3. Step 3: Cross multiply
    397,271,421.40x = 595,900,176.90 × 178,767,117.40
  4. Step 4: Simplify right side
    397,271,421.40x = 106,527,356,882,563,072
  5. Step 5: Solve for x
    x = 106,527,356,882,563,072/397,271,421.40
  6. Step 6: Final answer
    x = 268,147,546.35

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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.