Home / 712,880,547,837.80-1,069,760,653,856-330,353,322,438.72

Finding the Fourth Proportional to 712,880,547,837.80, 1,069,760,653,856 and 330,353,322,438.72

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Solution

The fourth proportional to 712,880,547,837.80, 1,069,760,653,856 and 330,353,322,438.72 is: 495,733,804,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,880,547,837.80 : 1,069,760,653,856 = 330,353,322,438.72 : x
  2. Step 2: Convert to fraction form
    712,880,547,837.80/1,069,760,653,856 = 330,353,322,438.72/x
  3. Step 3: Cross multiply
    712,880,547,837.80x = 1,069,760,653,856 × 330,353,322,438.72
  4. Step 4: Simplify right side
    712,880,547,837.80x = 353,398,986,215,547,083,948,032
  5. Step 5: Solve for x
    x = 353,398,986,215,547,083,948,032/712,880,547,837.80
  6. Step 6: Final answer
    x = 495,733,804,614.84

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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.