Home / 804,816,389.20-1,207,224,583.80-585,437,544.40

Finding the Fourth Proportional to 804,816,389.20, 1,207,224,583.80 and 585,437,544.40

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Solution

The fourth proportional to 804,816,389.20, 1,207,224,583.80 and 585,437,544.40 is: 878,156,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,389.20 : 1,207,224,583.80 = 585,437,544.40 : x
  2. Step 2: Convert to fraction form
    804,816,389.20/1,207,224,583.80 = 585,437,544.40/x
  3. Step 3: Cross multiply
    804,816,389.20x = 1,207,224,583.80 × 585,437,544.40
  4. Step 4: Simplify right side
    804,816,389.20x = 706,754,595,879,184,000
  5. Step 5: Solve for x
    x = 706,754,595,879,184,000/804,816,389.20
  6. Step 6: Final answer
    x = 878,156,316.60

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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.