Home / 2,098,688,086.40-3,148,032,129.60-644,737,827.20

Finding the Fourth Proportional to 2,098,688,086.40, 3,148,032,129.60 and 644,737,827.20

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Solution

The fourth proportional to 2,098,688,086.40, 3,148,032,129.60 and 644,737,827.20 is: 967,106,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,688,086.40 : 3,148,032,129.60 = 644,737,827.20 : x
  2. Step 2: Convert to fraction form
    2,098,688,086.40/3,148,032,129.60 = 644,737,827.20/x
  3. Step 3: Cross multiply
    2,098,688,086.40x = 3,148,032,129.60 × 644,737,827.20
  4. Step 4: Simplify right side
    2,098,688,086.40x = 2,029,655,395,194,092,800
  5. Step 5: Solve for x
    x = 2,029,655,395,194,092,800/2,098,688,086.40
  6. Step 6: Final answer
    x = 967,106,740.80

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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.