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Finding the Fourth Proportional to 19,095,155,999.70, 28,642,733,999.55 and 19,095,155,999.70

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Solution

The fourth proportional to 19,095,155,999.70, 28,642,733,999.55 and 19,095,155,999.70 is: 28,642,733,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095,155,999.70 : 28,642,733,999.55 = 19,095,155,999.70 : x
  2. Step 2: Convert to fraction form
    19,095,155,999.70/28,642,733,999.55 = 19,095,155,999.70/x
  3. Step 3: Cross multiply
    19,095,155,999.70x = 28,642,733,999.55 × 19,095,155,999.70
  4. Step 4: Simplify right side
    19,095,155,999.70x = 546,937,473,979,318,337,536
  5. Step 5: Solve for x
    x = 546,937,473,979,318,337,536/19,095,155,999.70
  6. Step 6: Final answer
    x = 28,642,733,999.55

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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.