Home / 1,132,658,416.16-1,563,147,173.16-686,640,579.12

Finding the Fourth Proportional to 1,132,658,416.16, 1,563,147,173.16 and 686,640,579.12

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Solution

The fourth proportional to 1,132,658,416.16, 1,563,147,173.16 and 686,640,579.12 is: 947,611,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,658,416.16 : 1,563,147,173.16 = 686,640,579.12 : x
  2. Step 2: Convert to fraction form
    1,132,658,416.16/1,563,147,173.16 = 686,640,579.12/x
  3. Step 3: Cross multiply
    1,132,658,416.16x = 1,563,147,173.16 × 686,640,579.12
  4. Step 4: Simplify right side
    1,132,658,416.16x = 1,073,320,280,228,373,376
  5. Step 5: Solve for x
    x = 1,073,320,280,228,373,376/1,132,658,416.16
  6. Step 6: Final answer
    x = 947,611,623.16

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.