Home / 579,487,212.40-869,230,818.60-538,672,543.60

Finding the Fourth Proportional to 579,487,212.40, 869,230,818.60 and 538,672,543.60

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Solution

The fourth proportional to 579,487,212.40, 869,230,818.60 and 538,672,543.60 is: 808,008,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,487,212.40 : 869,230,818.60 = 538,672,543.60 : x
  2. Step 2: Convert to fraction form
    579,487,212.40/869,230,818.60 = 538,672,543.60/x
  3. Step 3: Cross multiply
    579,487,212.40x = 869,230,818.60 × 538,672,543.60
  4. Step 4: Simplify right side
    579,487,212.40x = 468,230,776,030,772,224
  5. Step 5: Solve for x
    x = 468,230,776,030,772,224/579,487,212.40
  6. Step 6: Final answer
    x = 808,008,815.40

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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.