Home / 1,772,931,666.80-2,659,397,500.20-1,677,697,439.60

Finding the Fourth Proportional to 1,772,931,666.80, 2,659,397,500.20 and 1,677,697,439.60

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Solution

The fourth proportional to 1,772,931,666.80, 2,659,397,500.20 and 1,677,697,439.60 is: 2,516,546,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,931,666.80 : 2,659,397,500.20 = 1,677,697,439.60 : x
  2. Step 2: Convert to fraction form
    1,772,931,666.80/2,659,397,500.20 = 1,677,697,439.60/x
  3. Step 3: Cross multiply
    1,772,931,666.80x = 2,659,397,500.20 × 1,677,697,439.60
  4. Step 4: Simplify right side
    1,772,931,666.80x = 4,461,664,376,964,179,968
  5. Step 5: Solve for x
    x = 4,461,664,376,964,179,968/1,772,931,666.80
  6. Step 6: Final answer
    x = 2,516,546,159.40

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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.