Home / 712,880,547,836.80-1,069,760,653,854.50-330,353,322,437.72

Finding the Fourth Proportional to 712,880,547,836.80, 1,069,760,653,854.50 and 330,353,322,437.72

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Solution

The fourth proportional to 712,880,547,836.80, 1,069,760,653,854.50 and 330,353,322,437.72 is: 495,733,804,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,880,547,836.80 : 1,069,760,653,854.50 = 330,353,322,437.72 : x
  2. Step 2: Convert to fraction form
    712,880,547,836.80/1,069,760,653,854.50 = 330,353,322,437.72/x
  3. Step 3: Cross multiply
    712,880,547,836.80x = 1,069,760,653,854.50 × 330,353,322,437.72
  4. Step 4: Simplify right side
    712,880,547,836.80x = 353,398,986,213,981,769,695,232
  5. Step 5: Solve for x
    x = 353,398,986,213,981,769,695,232/712,880,547,836.80
  6. Step 6: Final answer
    x = 495,733,804,613.34

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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.