Home / 890,383,424.20-1,335,575,136.30-657,931,130.80

Finding the Fourth Proportional to 890,383,424.20, 1,335,575,136.30 and 657,931,130.80

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Solution

The fourth proportional to 890,383,424.20, 1,335,575,136.30 and 657,931,130.80 is: 986,896,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,383,424.20 : 1,335,575,136.30 = 657,931,130.80 : x
  2. Step 2: Convert to fraction form
    890,383,424.20/1,335,575,136.30 = 657,931,130.80/x
  3. Step 3: Cross multiply
    890,383,424.20x = 1,335,575,136.30 × 657,931,130.80
  4. Step 4: Simplify right side
    890,383,424.20x = 878,716,459,694,222,976
  5. Step 5: Solve for x
    x = 878,716,459,694,222,976/890,383,424.20
  6. Step 6: Final answer
    x = 986,896,696.20

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Double scale
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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.