Home / 896,990,668.65-1,345,486,002.98-655,125,964.65

Finding the Fourth Proportional to 896,990,668.65, 1,345,486,002.98 and 655,125,964.65

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Solution

The fourth proportional to 896,990,668.65, 1,345,486,002.98 and 655,125,964.65 is: 982,688,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,990,668.65 : 1,345,486,002.98 = 655,125,964.65 : x
  2. Step 2: Convert to fraction form
    896,990,668.65/1,345,486,002.98 = 655,125,964.65/x
  3. Step 3: Cross multiply
    896,990,668.65x = 1,345,486,002.98 × 655,125,964.65
  4. Step 4: Simplify right side
    896,990,668.65x = 881,462,815,622,069,504
  5. Step 5: Solve for x
    x = 881,462,815,622,069,504/896,990,668.65
  6. Step 6: Final answer
    x = 982,688,946.98

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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.