Home / 1,349,971,931.64-1,863,033,599.88-755,220,936.36

Finding the Fourth Proportional to 1,349,971,931.64, 1,863,033,599.88 and 755,220,936.36

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Solution

The fourth proportional to 1,349,971,931.64, 1,863,033,599.88 and 755,220,936.36 is: 1,042,245,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,971,931.64 : 1,863,033,599.88 = 755,220,936.36 : x
  2. Step 2: Convert to fraction form
    1,349,971,931.64/1,863,033,599.88 = 755,220,936.36/x
  3. Step 3: Cross multiply
    1,349,971,931.64x = 1,863,033,599.88 × 755,220,936.36
  4. Step 4: Simplify right side
    1,349,971,931.64x = 1,407,001,979,771,515,392
  5. Step 5: Solve for x
    x = 1,407,001,979,771,515,392/1,349,971,931.64
  6. Step 6: Final answer
    x = 1,042,245,358.44

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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.