Home / 786,554,619,366.40-1,085,433,823,023.30-439,329,965,547.62

Finding the Fourth Proportional to 786,554,619,366.40, 1,085,433,823,023.30 and 439,329,965,547.62

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Solution

The fourth proportional to 786,554,619,366.40, 1,085,433,823,023.30 and 439,329,965,547.62 is: 606,268,900,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,554,619,366.40 : 1,085,433,823,023.30 = 439,329,965,547.62 : x
  2. Step 2: Convert to fraction form
    786,554,619,366.40/1,085,433,823,023.30 = 439,329,965,547.62/x
  3. Step 3: Cross multiply
    786,554,619,366.40x = 1,085,433,823,023.30 × 439,329,965,547.62
  4. Step 4: Simplify right side
    786,554,619,366.40x = 476,863,604,073,047,865,163,776
  5. Step 5: Solve for x
    x = 476,863,604,073,047,865,163,776/786,554,619,366.40
  6. Step 6: Final answer
    x = 606,268,900,254.10

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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.