Home / 12,713,420,806.89-17,547,634,515.69-9,849,899,117.58

Finding the Fourth Proportional to 12,713,420,806.89, 17,547,634,515.69 and 9,849,899,117.58

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Solution

The fourth proportional to 12,713,420,806.89, 17,547,634,515.69 and 9,849,899,117.58 is: 13,595,273,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,420,806.89 : 17,547,634,515.69 = 9,849,899,117.58 : x
  2. Step 2: Convert to fraction form
    12,713,420,806.89/17,547,634,515.69 = 9,849,899,117.58/x
  3. Step 3: Cross multiply
    12,713,420,806.89x = 17,547,634,515.69 × 9,849,899,117.58
  4. Step 4: Simplify right side
    12,713,420,806.89x = 172,842,429,731,711,254,528
  5. Step 5: Solve for x
    x = 172,842,429,731,711,254,528/12,713,420,806.89
  6. Step 6: Final answer
    x = 13,595,273,243.69

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Double scale
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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.