Home / 15,832,546,319.61-21,849,340,592.79-9,315,092,592.85

Finding the Fourth Proportional to 15,832,546,319.61, 21,849,340,592.79 and 9,315,092,592.85

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Solution

The fourth proportional to 15,832,546,319.61, 21,849,340,592.79 and 9,315,092,592.85 is: 12,855,078,810.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832,546,319.61 : 21,849,340,592.79 = 9,315,092,592.85 : x
  2. Step 2: Convert to fraction form
    15,832,546,319.61/21,849,340,592.79 = 9,315,092,592.85/x
  3. Step 3: Cross multiply
    15,832,546,319.61x = 21,849,340,592.79 × 9,315,092,592.85
  4. Step 4: Simplify right side
    15,832,546,319.61x = 203,528,630,714,659,831,808
  5. Step 5: Solve for x
    x = 203,528,630,714,659,831,808/15,832,546,319.61
  6. Step 6: Final answer
    x = 12,855,078,810.83

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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.