Home / 804,816,012.40-1,207,224,018.60-559,927,999.60

Finding the Fourth Proportional to 804,816,012.40, 1,207,224,018.60 and 559,927,999.60

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Solution

The fourth proportional to 804,816,012.40, 1,207,224,018.60 and 559,927,999.60 is: 839,891,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,012.40 : 1,207,224,018.60 = 559,927,999.60 : x
  2. Step 2: Convert to fraction form
    804,816,012.40/1,207,224,018.60 = 559,927,999.60/x
  3. Step 3: Cross multiply
    804,816,012.40x = 1,207,224,018.60 × 559,927,999.60
  4. Step 4: Simplify right side
    804,816,012.40x = 675,958,529,803,771,136
  5. Step 5: Solve for x
    x = 675,958,529,803,771,136/804,816,012.40
  6. Step 6: Final answer
    x = 839,891,999.40

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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.