Home / 839,808,688.10-1,259,713,032.15-805,796,464.10

Finding the Fourth Proportional to 839,808,688.10, 1,259,713,032.15 and 805,796,464.10

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Solution

The fourth proportional to 839,808,688.10, 1,259,713,032.15 and 805,796,464.10 is: 1,208,694,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,688.10 : 1,259,713,032.15 = 805,796,464.10 : x
  2. Step 2: Convert to fraction form
    839,808,688.10/1,259,713,032.15 = 805,796,464.10/x
  3. Step 3: Cross multiply
    839,808,688.10x = 1,259,713,032.15 × 805,796,464.10
  4. Step 4: Simplify right side
    839,808,688.10x = 1,015,072,307,087,159,680
  5. Step 5: Solve for x
    x = 1,015,072,307,087,159,680/839,808,688.10
  6. Step 6: Final answer
    x = 1,208,694,696.15

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Double scale
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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.