Home / 384,775,297.80-577,162,946.70-345,808,206.60

Finding the Fourth Proportional to 384,775,297.80, 577,162,946.70 and 345,808,206.60

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Solution

The fourth proportional to 384,775,297.80, 577,162,946.70 and 345,808,206.60 is: 518,712,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,775,297.80 : 577,162,946.70 = 345,808,206.60 : x
  2. Step 2: Convert to fraction form
    384,775,297.80/577,162,946.70 = 345,808,206.60/x
  3. Step 3: Cross multiply
    384,775,297.80x = 577,162,946.70 × 345,808,206.60
  4. Step 4: Simplify right side
    384,775,297.80x = 199,587,683,514,298,432
  5. Step 5: Solve for x
    x = 199,587,683,514,298,432/384,775,297.80
  6. Step 6: Final answer
    x = 518,712,309.90

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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.