Home / 465,048,612.30-697,572,918.45-310,080,416.70

Finding the Fourth Proportional to 465,048,612.30, 697,572,918.45 and 310,080,416.70

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Solution

The fourth proportional to 465,048,612.30, 697,572,918.45 and 310,080,416.70 is: 465,120,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,048,612.30 : 697,572,918.45 = 310,080,416.70 : x
  2. Step 2: Convert to fraction form
    465,048,612.30/697,572,918.45 = 310,080,416.70/x
  3. Step 3: Cross multiply
    465,048,612.30x = 697,572,918.45 × 310,080,416.70
  4. Step 4: Simplify right side
    465,048,612.30x = 216,303,701,231,611,136
  5. Step 5: Solve for x
    x = 216,303,701,231,611,136/465,048,612.30
  6. Step 6: Final answer
    x = 465,120,625.05

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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.