Home / 1,136,693,333.20-1,705,039,999.80-646,917,307.60

Finding the Fourth Proportional to 1,136,693,333.20, 1,705,039,999.80 and 646,917,307.60

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Solution

The fourth proportional to 1,136,693,333.20, 1,705,039,999.80 and 646,917,307.60 is: 970,375,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,693,333.20 : 1,705,039,999.80 = 646,917,307.60 : x
  2. Step 2: Convert to fraction form
    1,136,693,333.20/1,705,039,999.80 = 646,917,307.60/x
  3. Step 3: Cross multiply
    1,136,693,333.20x = 1,705,039,999.80 × 646,917,307.60
  4. Step 4: Simplify right side
    1,136,693,333.20x = 1,103,019,886,020,920,576
  5. Step 5: Solve for x
    x = 1,103,019,886,020,920,576/1,136,693,333.20
  6. Step 6: Final answer
    x = 970,375,961.40

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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.