Home / 839,809,975.60-1,259,714,963.40-706,784,388.40

Finding the Fourth Proportional to 839,809,975.60, 1,259,714,963.40 and 706,784,388.40

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Solution

The fourth proportional to 839,809,975.60, 1,259,714,963.40 and 706,784,388.40 is: 1,060,176,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,975.60 : 1,259,714,963.40 = 706,784,388.40 : x
  2. Step 2: Convert to fraction form
    839,809,975.60/1,259,714,963.40 = 706,784,388.40/x
  3. Step 3: Cross multiply
    839,809,975.60x = 1,259,714,963.40 × 706,784,388.40
  4. Step 4: Simplify right side
    839,809,975.60x = 890,346,869,964,997,376
  5. Step 5: Solve for x
    x = 890,346,869,964,997,376/839,809,975.60
  6. Step 6: Final answer
    x = 1,060,176,582.60

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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.