Home / 488,448,834.80-732,673,252.20-485,047,612.40

Finding the Fourth Proportional to 488,448,834.80, 732,673,252.20 and 485,047,612.40

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Solution

The fourth proportional to 488,448,834.80, 732,673,252.20 and 485,047,612.40 is: 727,571,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,448,834.80 : 732,673,252.20 = 485,047,612.40 : x
  2. Step 2: Convert to fraction form
    488,448,834.80/732,673,252.20 = 485,047,612.40/x
  3. Step 3: Cross multiply
    488,448,834.80x = 732,673,252.20 × 485,047,612.40
  4. Step 4: Simplify right side
    488,448,834.80x = 355,381,411,648,953,024
  5. Step 5: Solve for x
    x = 355,381,411,648,953,024/488,448,834.80
  6. Step 6: Final answer
    x = 727,571,418.60

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1.5x scale

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.