Home / 12,825,592,605.10-17,699,317,411.51-7,109,862,547.91

Finding the Fourth Proportional to 12,825,592,605.10, 17,699,317,411.51 and 7,109,862,547.91

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Solution

The fourth proportional to 12,825,592,605.10, 17,699,317,411.51 and 7,109,862,547.91 is: 9,811,610,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825,592,605.10 : 17,699,317,411.51 = 7,109,862,547.91 : x
  2. Step 2: Convert to fraction form
    12,825,592,605.10/17,699,317,411.51 = 7,109,862,547.91/x
  3. Step 3: Cross multiply
    12,825,592,605.10x = 17,699,317,411.51 × 7,109,862,547.91
  4. Step 4: Simplify right side
    12,825,592,605.10x = 125,839,713,987,556,491,264
  5. Step 5: Solve for x
    x = 125,839,713,987,556,491,264/12,825,592,605.10
  6. Step 6: Final answer
    x = 9,811,610,103.50

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1.5x scale

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.