Home / 581,855,384.80-802,977,438.27-317,554,340.55

Finding the Fourth Proportional to 581,855,384.80, 802,977,438.27 and 317,554,340.55

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Solution

The fourth proportional to 581,855,384.80, 802,977,438.27 and 317,554,340.55 is: 438,234,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,855,384.80 : 802,977,438.27 = 317,554,340.55 : x
  2. Step 2: Convert to fraction form
    581,855,384.80/802,977,438.27 = 317,554,340.55/x
  3. Step 3: Cross multiply
    581,855,384.80x = 802,977,438.27 × 317,554,340.55
  4. Step 4: Simplify right side
    581,855,384.80x = 254,988,970,886,358,176
  5. Step 5: Solve for x
    x = 254,988,970,886,358,176/581,855,384.80
  6. Step 6: Final answer
    x = 438,234,271.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.