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Finding the Fourth Proportional to 21,528,060,901.30, 32,292,091,351.95 and 21,528,060,901.30

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Solution

The fourth proportional to 21,528,060,901.30, 32,292,091,351.95 and 21,528,060,901.30 is: 32,292,091,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528,060,901.30 : 32,292,091,351.95 = 21,528,060,901.30 : x
  2. Step 2: Convert to fraction form
    21,528,060,901.30/32,292,091,351.95 = 21,528,060,901.30/x
  3. Step 3: Cross multiply
    21,528,060,901.30x = 32,292,091,351.95 × 21,528,060,901.30
  4. Step 4: Simplify right side
    21,528,060,901.30x = 695,186,109,255,122,681,856
  5. Step 5: Solve for x
    x = 695,186,109,255,122,681,856/21,528,060,901.30
  6. Step 6: Final answer
    x = 32,292,091,351.95

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Double scale
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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.