Home / 1,247,447,561.46-1,873,010,767.76-695,827,746.69

Finding the Fourth Proportional to 1,247,447,561.46, 1,873,010,767.76 and 695,827,746.69

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Solution

The fourth proportional to 1,247,447,561.46, 1,873,010,767.76 and 695,827,746.69 is: 1,044,767,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,447,561.46 : 1,873,010,767.76 = 695,827,746.69 : x
  2. Step 2: Convert to fraction form
    1,247,447,561.46/1,873,010,767.76 = 695,827,746.69/x
  3. Step 3: Cross multiply
    1,247,447,561.46x = 1,873,010,767.76 × 695,827,746.69
  4. Step 4: Simplify right side
    1,247,447,561.46x = 1,303,292,862,053,068,800
  5. Step 5: Solve for x
    x = 1,303,292,862,053,068,800/1,247,447,561.46
  6. Step 6: Final answer
    x = 1,044,767,653.82

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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.