Home / 1,080,300,570.80-1,490,816,300.45-585,263,279.30

Finding the Fourth Proportional to 1,080,300,570.80, 1,490,816,300.45 and 585,263,279.30

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Solution

The fourth proportional to 1,080,300,570.80, 1,490,816,300.45 and 585,263,279.30 is: 807,664,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,300,570.80 : 1,490,816,300.45 = 585,263,279.30 : x
  2. Step 2: Convert to fraction form
    1,080,300,570.80/1,490,816,300.45 = 585,263,279.30/x
  3. Step 3: Cross multiply
    1,080,300,570.80x = 1,490,816,300.45 × 585,263,279.30
  4. Step 4: Simplify right side
    1,080,300,570.80x = 872,520,036,824,880,512
  5. Step 5: Solve for x
    x = 872,520,036,824,880,512/1,080,300,570.80
  6. Step 6: Final answer
    x = 807,664,144.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.