Home / 532,465,238.70-798,697,858.05-442,885,718.70

Finding the Fourth Proportional to 532,465,238.70, 798,697,858.05 and 442,885,718.70

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Solution

The fourth proportional to 532,465,238.70, 798,697,858.05 and 442,885,718.70 is: 664,328,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,465,238.70 : 798,697,858.05 = 442,885,718.70 : x
  2. Step 2: Convert to fraction form
    532,465,238.70/798,697,858.05 = 442,885,718.70/x
  3. Step 3: Cross multiply
    532,465,238.70x = 798,697,858.05 × 442,885,718.70
  4. Step 4: Simplify right side
    532,465,238.70x = 353,731,874,886,624,768
  5. Step 5: Solve for x
    x = 353,731,874,886,624,768/532,465,238.70
  6. Step 6: Final answer
    x = 664,328,578.05

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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.