Home / 10,921,526,549.76-15,071,599,339.20-5,909,163,994.56

Finding the Fourth Proportional to 10,921,526,549.76, 15,071,599,339.20 and 5,909,163,994.56

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Solution

The fourth proportional to 10,921,526,549.76, 15,071,599,339.20 and 5,909,163,994.56 is: 8,154,588,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,526,549.76 : 15,071,599,339.20 = 5,909,163,994.56 : x
  2. Step 2: Convert to fraction form
    10,921,526,549.76/15,071,599,339.20 = 5,909,163,994.56/x
  3. Step 3: Cross multiply
    10,921,526,549.76x = 15,071,599,339.20 × 5,909,163,994.56
  4. Step 4: Simplify right side
    10,921,526,549.76x = 89,060,552,155,634,941,952
  5. Step 5: Solve for x
    x = 89,060,552,155,634,941,952/10,921,526,549.76
  6. Step 6: Final answer
    x = 8,154,588,257.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.