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Finding the Fourth Proportional to 385,255,872,000.80, 577,883,808,001.20 and 385,255,872,000.80

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Solution

The fourth proportional to 385,255,872,000.80, 577,883,808,001.20 and 385,255,872,000.80 is: 577,883,808,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,255,872,000.80 : 577,883,808,001.20 = 385,255,872,000.80 : x
  2. Step 2: Convert to fraction form
    385,255,872,000.80/577,883,808,001.20 = 385,255,872,000.80/x
  3. Step 3: Cross multiply
    385,255,872,000.80x = 577,883,808,001.20 × 385,255,872,000.80
  4. Step 4: Simplify right side
    385,255,872,000.80x = 222,633,130,366,645,154,349,056
  5. Step 5: Solve for x
    x = 222,633,130,366,645,154,349,056/385,255,872,000.80
  6. Step 6: Final answer
    x = 577,883,808,001.20

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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.