Home / 531,492,252.40-797,238,378.60-477,922,999.60

Finding the Fourth Proportional to 531,492,252.40, 797,238,378.60 and 477,922,999.60

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Solution

The fourth proportional to 531,492,252.40, 797,238,378.60 and 477,922,999.60 is: 716,884,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,492,252.40 : 797,238,378.60 = 477,922,999.60 : x
  2. Step 2: Convert to fraction form
    531,492,252.40/797,238,378.60 = 477,922,999.60/x
  3. Step 3: Cross multiply
    531,492,252.40x = 797,238,378.60 × 477,922,999.60
  4. Step 4: Simplify right side
    531,492,252.40x = 381,018,557,296,752,448
  5. Step 5: Solve for x
    x = 381,018,557,296,752,448/531,492,252.40
  6. Step 6: Final answer
    x = 716,884,499.40

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Half scale
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Double scale
Find fourth proportional to 531,492,253.40, 797,238,380.10 and 477,923,000.60
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.