Home / 1,493,066,515.80-2,239,935,696.90-879,334,829.40

Finding the Fourth Proportional to 1,493,066,515.80, 2,239,935,696.90 and 879,334,829.40

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Solution

The fourth proportional to 1,493,066,515.80, 2,239,935,696.90 and 879,334,829.40 is: 1,319,200,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,066,515.80 : 2,239,935,696.90 = 879,334,829.40 : x
  2. Step 2: Convert to fraction form
    1,493,066,515.80/2,239,935,696.90 = 879,334,829.40/x
  3. Step 3: Cross multiply
    1,493,066,515.80x = 2,239,935,696.90 × 879,334,829.40
  4. Step 4: Simplify right side
    1,493,066,515.80x = 1,969,653,473,900,531,712
  5. Step 5: Solve for x
    x = 1,969,653,473,900,531,712/1,493,066,515.80
  6. Step 6: Final answer
    x = 1,319,200,084.56

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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.