Home / 531,490,252.40-797,235,378.60-477,920,999.60

Finding the Fourth Proportional to 531,490,252.40, 797,235,378.60 and 477,920,999.60

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Solution

The fourth proportional to 531,490,252.40, 797,235,378.60 and 477,920,999.60 is: 716,881,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,490,252.40 : 797,235,378.60 = 477,920,999.60 : x
  2. Step 2: Convert to fraction form
    531,490,252.40/797,235,378.60 = 477,920,999.60/x
  3. Step 3: Cross multiply
    531,490,252.40x = 797,235,378.60 × 477,920,999.60
  4. Step 4: Simplify right side
    531,490,252.40x = 381,015,529,056,996,480
  5. Step 5: Solve for x
    x = 381,015,529,056,996,480/531,490,252.40
  6. Step 6: Final answer
    x = 716,881,499.40

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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.