Home / 1,080,300,573.10-1,490,816,303.64-585,263,281.60

Finding the Fourth Proportional to 1,080,300,573.10, 1,490,816,303.64 and 585,263,281.60

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Solution

The fourth proportional to 1,080,300,573.10, 1,490,816,303.64 and 585,263,281.60 is: 807,664,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,300,573.10 : 1,490,816,303.64 = 585,263,281.60 : x
  2. Step 2: Convert to fraction form
    1,080,300,573.10/1,490,816,303.64 = 585,263,281.60/x
  3. Step 3: Cross multiply
    1,080,300,573.10x = 1,490,816,303.64 × 585,263,281.60
  4. Step 4: Simplify right side
    1,080,300,573.10x = 872,520,042,131,128,576
  5. Step 5: Solve for x
    x = 872,520,042,131,128,576/1,080,300,573.10
  6. Step 6: Final answer
    x = 807,664,148.16

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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.