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Finding the Fourth Proportional to 19,168,243,332.90, 28,752,364,999.35 and 19,168,243,332.90

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Solution

The fourth proportional to 19,168,243,332.90, 28,752,364,999.35 and 19,168,243,332.90 is: 28,752,364,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168,243,332.90 : 28,752,364,999.35 = 19,168,243,332.90 : x
  2. Step 2: Convert to fraction form
    19,168,243,332.90/28,752,364,999.35 = 19,168,243,332.90/x
  3. Step 3: Cross multiply
    19,168,243,332.90x = 28,752,364,999.35 × 19,168,243,332.90
  4. Step 4: Simplify right side
    19,168,243,332.90x = 551,132,328,703,897,960,448
  5. Step 5: Solve for x
    x = 551,132,328,703,897,960,448/19,168,243,332.90
  6. Step 6: Final answer
    x = 28,752,364,999.35

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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.