Home / 1,004,631,923.64-1,386,080,464.86-586,642,685.88

Finding the Fourth Proportional to 1,004,631,923.64, 1,386,080,464.86 and 586,642,685.88

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Solution

The fourth proportional to 1,004,631,923.64, 1,386,080,464.86 and 586,642,685.88 is: 809,384,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,631,923.64 : 1,386,080,464.86 = 586,642,685.88 : x
  2. Step 2: Convert to fraction form
    1,004,631,923.64/1,386,080,464.86 = 586,642,685.88/x
  3. Step 3: Cross multiply
    1,004,631,923.64x = 1,386,080,464.86 × 586,642,685.88
  4. Step 4: Simplify right side
    1,004,631,923.64x = 813,133,966,751,269,248
  5. Step 5: Solve for x
    x = 813,133,966,751,269,248/1,004,631,923.64
  6. Step 6: Final answer
    x = 809,384,957.43

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Double scale
Find fourth proportional to 1,004,631,924.64, 1,386,080,466.24 and 586,642,686.88
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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.