Home / 711,953,080.80-1,067,929,621.20-662,068,485.60

Finding the Fourth Proportional to 711,953,080.80, 1,067,929,621.20 and 662,068,485.60

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Solution

The fourth proportional to 711,953,080.80, 1,067,929,621.20 and 662,068,485.60 is: 993,102,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,953,080.80 : 1,067,929,621.20 = 662,068,485.60 : x
  2. Step 2: Convert to fraction form
    711,953,080.80/1,067,929,621.20 = 662,068,485.60/x
  3. Step 3: Cross multiply
    711,953,080.80x = 1,067,929,621.20 × 662,068,485.60
  4. Step 4: Simplify right side
    711,953,080.80x = 707,042,547,035,265,664
  5. Step 5: Solve for x
    x = 707,042,547,035,265,664/711,953,080.80
  6. Step 6: Final answer
    x = 993,102,728.40

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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.