Home / 712,880,547,919.82-1,069,760,653,979-330,353,322,520.68

Finding the Fourth Proportional to 712,880,547,919.82, 1,069,760,653,979 and 330,353,322,520.68

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Solution

The fourth proportional to 712,880,547,919.82, 1,069,760,653,979 and 330,353,322,520.68 is: 495,733,804,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,880,547,919.82 : 1,069,760,653,979 = 330,353,322,520.68 : x
  2. Step 2: Convert to fraction form
    712,880,547,919.82/1,069,760,653,979 = 330,353,322,520.68/x
  3. Step 3: Cross multiply
    712,880,547,919.82x = 1,069,760,653,979 × 330,353,322,520.68
  4. Step 4: Simplify right side
    712,880,547,919.82x = 353,398,986,343,858,158,174,208
  5. Step 5: Solve for x
    x = 353,398,986,343,858,158,174,208/712,880,547,919.82
  6. Step 6: Final answer
    x = 495,733,804,737.80

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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.