Home / 926,057,802.30-1,277,960,993.78-502,671,188.58

Finding the Fourth Proportional to 926,057,802.30, 1,277,960,993.78 and 502,671,188.58

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Solution

The fourth proportional to 926,057,802.30, 1,277,960,993.78 and 502,671,188.58 is: 693,686,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,057,802.30 : 1,277,960,993.78 = 502,671,188.58 : x
  2. Step 2: Convert to fraction form
    926,057,802.30/1,277,960,993.78 = 502,671,188.58/x
  3. Step 3: Cross multiply
    926,057,802.30x = 1,277,960,993.78 × 502,671,188.58
  4. Step 4: Simplify right side
    926,057,802.30x = 642,394,171,699,757,312
  5. Step 5: Solve for x
    x = 642,394,171,699,757,312/926,057,802.30
  6. Step 6: Final answer
    x = 693,686,906.05

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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.