Home / 997,232,005.60-1,495,848,008.40-629,899,986.40

Finding the Fourth Proportional to 997,232,005.60, 1,495,848,008.40 and 629,899,986.40

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Solution

The fourth proportional to 997,232,005.60, 1,495,848,008.40 and 629,899,986.40 is: 944,849,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,232,005.60 : 1,495,848,008.40 = 629,899,986.40 : x
  2. Step 2: Convert to fraction form
    997,232,005.60/1,495,848,008.40 = 629,899,986.40/x
  3. Step 3: Cross multiply
    997,232,005.60x = 1,495,848,008.40 × 629,899,986.40
  4. Step 4: Simplify right side
    997,232,005.60x = 942,234,640,147,627,136
  5. Step 5: Solve for x
    x = 942,234,640,147,627,136/997,232,005.60
  6. Step 6: Final answer
    x = 944,849,979.60

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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.