Home / 1,048,913,200.80-1,573,369,801.20-321,807,434.40

Finding the Fourth Proportional to 1,048,913,200.80, 1,573,369,801.20 and 321,807,434.40

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Solution

The fourth proportional to 1,048,913,200.80, 1,573,369,801.20 and 321,807,434.40 is: 482,711,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,913,200.80 : 1,573,369,801.20 = 321,807,434.40 : x
  2. Step 2: Convert to fraction form
    1,048,913,200.80/1,573,369,801.20 = 321,807,434.40/x
  3. Step 3: Cross multiply
    1,048,913,200.80x = 1,573,369,801.20 × 321,807,434.40
  4. Step 4: Simplify right side
    1,048,913,200.80x = 506,322,099,086,610,048
  5. Step 5: Solve for x
    x = 506,322,099,086,610,048/1,048,913,200.80
  6. Step 6: Final answer
    x = 482,711,151.60

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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.