Home / 436,727,808,128.80-655,091,712,193.20-357,384,091,981.60

Finding the Fourth Proportional to 436,727,808,128.80, 655,091,712,193.20 and 357,384,091,981.60

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Solution

The fourth proportional to 436,727,808,128.80, 655,091,712,193.20 and 357,384,091,981.60 is: 536,076,137,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,727,808,128.80 : 655,091,712,193.20 = 357,384,091,981.60 : x
  2. Step 2: Convert to fraction form
    436,727,808,128.80/655,091,712,193.20 = 357,384,091,981.60/x
  3. Step 3: Cross multiply
    436,727,808,128.80x = 655,091,712,193.20 × 357,384,091,981.60
  4. Step 4: Simplify right side
    436,727,808,128.80x = 234,119,356,726,838,393,044,992
  5. Step 5: Solve for x
    x = 234,119,356,726,838,393,044,992/436,727,808,128.80
  6. Step 6: Final answer
    x = 536,076,137,972.40

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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.