Home / 839,809,155.60-1,259,713,733.40-805,796,931.60

Finding the Fourth Proportional to 839,809,155.60, 1,259,713,733.40 and 805,796,931.60

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Solution

The fourth proportional to 839,809,155.60, 1,259,713,733.40 and 805,796,931.60 is: 1,208,695,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,155.60 : 1,259,713,733.40 = 805,796,931.60 : x
  2. Step 2: Convert to fraction form
    839,809,155.60/1,259,713,733.40 = 805,796,931.60/x
  3. Step 3: Cross multiply
    839,809,155.60x = 1,259,713,733.40 × 805,796,931.60
  4. Step 4: Simplify right side
    839,809,155.60x = 1,015,073,461,068,100,480
  5. Step 5: Solve for x
    x = 1,015,073,461,068,100,480/839,809,155.60
  6. Step 6: Final answer
    x = 1,208,695,397.40

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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.