Home / 19,657,735,380.30-29,486,603,070.45-12,692,031,905.10

Finding the Fourth Proportional to 19,657,735,380.30, 29,486,603,070.45 and 12,692,031,905.10

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Solution

The fourth proportional to 19,657,735,380.30, 29,486,603,070.45 and 12,692,031,905.10 is: 19,038,047,857.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657,735,380.30 : 29,486,603,070.45 = 12,692,031,905.10 : x
  2. Step 2: Convert to fraction form
    19,657,735,380.30/29,486,603,070.45 = 12,692,031,905.10/x
  3. Step 3: Cross multiply
    19,657,735,380.30x = 29,486,603,070.45 × 12,692,031,905.10
  4. Step 4: Simplify right side
    19,657,735,380.30x = 374,244,906,943,171,067,904
  5. Step 5: Solve for x
    x = 374,244,906,943,171,067,904/19,657,735,380.30
  6. Step 6: Final answer
    x = 19,038,047,857.65

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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.