Home / 1,011,733,447.04-1,394,819,100.64-709,908,672.32

Finding the Fourth Proportional to 1,011,733,447.04, 1,394,819,100.64 and 709,908,672.32

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Solution

The fourth proportional to 1,011,733,447.04, 1,394,819,100.64 and 709,908,672.32 is: 978,710,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,733,447.04 : 1,394,819,100.64 = 709,908,672.32 : x
  2. Step 2: Convert to fraction form
    1,011,733,447.04/1,394,819,100.64 = 709,908,672.32/x
  3. Step 3: Cross multiply
    1,011,733,447.04x = 1,394,819,100.64 × 709,908,672.32
  4. Step 4: Simplify right side
    1,011,733,447.04x = 990,194,175,861,918,976
  5. Step 5: Solve for x
    x = 990,194,175,861,918,976/1,011,733,447.04
  6. Step 6: Final answer
    x = 978,710,527.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.