Home / 927,207,200.80-1,390,810,801.20-559,875,181.60

Finding the Fourth Proportional to 927,207,200.80, 1,390,810,801.20 and 559,875,181.60

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Solution

The fourth proportional to 927,207,200.80, 1,390,810,801.20 and 559,875,181.60 is: 839,812,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,207,200.80 : 1,390,810,801.20 = 559,875,181.60 : x
  2. Step 2: Convert to fraction form
    927,207,200.80/1,390,810,801.20 = 559,875,181.60/x
  3. Step 3: Cross multiply
    927,207,200.80x = 1,390,810,801.20 × 559,875,181.60
  4. Step 4: Simplify right side
    927,207,200.80x = 778,680,449,893,091,584
  5. Step 5: Solve for x
    x = 778,680,449,893,091,584/927,207,200.80
  6. Step 6: Final answer
    x = 839,812,772.40

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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.