Home / 434,554,307.80-651,607,512.90-161,784,669.40

Finding the Fourth Proportional to 434,554,307.80, 651,607,512.90 and 161,784,669.40

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Solution

The fourth proportional to 434,554,307.80, 651,607,512.90 and 161,784,669.40 is: 242,593,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,554,307.80 : 651,607,512.90 = 161,784,669.40 : x
  2. Step 2: Convert to fraction form
    434,554,307.80/651,607,512.90 = 161,784,669.40/x
  3. Step 3: Cross multiply
    434,554,307.80x = 651,607,512.90 × 161,784,669.40
  4. Step 4: Simplify right side
    434,554,307.80x = 105,420,106,053,082,736
  5. Step 5: Solve for x
    x = 105,420,106,053,082,736/434,554,307.80
  6. Step 6: Final answer
    x = 242,593,627.91

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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.