Home / 1,323,480,200.10-1,985,220,300.15-634,732,664.10

Finding the Fourth Proportional to 1,323,480,200.10, 1,985,220,300.15 and 634,732,664.10

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Solution

The fourth proportional to 1,323,480,200.10, 1,985,220,300.15 and 634,732,664.10 is: 952,098,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,480,200.10 : 1,985,220,300.15 = 634,732,664.10 : x
  2. Step 2: Convert to fraction form
    1,323,480,200.10/1,985,220,300.15 = 634,732,664.10/x
  3. Step 3: Cross multiply
    1,323,480,200.10x = 1,985,220,300.15 × 634,732,664.10
  4. Step 4: Simplify right side
    1,323,480,200.10x = 1,260,084,169,939,611,136
  5. Step 5: Solve for x
    x = 1,260,084,169,939,611,136/1,323,480,200.10
  6. Step 6: Final answer
    x = 952,098,996.15

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Half scale
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Double scale
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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.