Home / 5,821,402,447.90-8,732,103,671.85-2,140,146,070.30

Finding the Fourth Proportional to 5,821,402,447.90, 8,732,103,671.85 and 2,140,146,070.30

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Solution

The fourth proportional to 5,821,402,447.90, 8,732,103,671.85 and 2,140,146,070.30 is: 3,210,219,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821,402,447.90 : 8,732,103,671.85 = 2,140,146,070.30 : x
  2. Step 2: Convert to fraction form
    5,821,402,447.90/8,732,103,671.85 = 2,140,146,070.30/x
  3. Step 3: Cross multiply
    5,821,402,447.90x = 8,732,103,671.85 × 2,140,146,070.30
  4. Step 4: Simplify right side
    5,821,402,447.90x = 18,687,977,358,761,979,904
  5. Step 5: Solve for x
    x = 18,687,977,358,761,979,904/5,821,402,447.90
  6. Step 6: Final answer
    x = 3,210,219,105.45

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Half scale
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Double scale
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Similar ratio
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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.