Home / 1,185,011,822-1,635,333,196.92-683,210,678.96

Finding the Fourth Proportional to 1,185,011,822, 1,635,333,196.92 and 683,210,678.96

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Solution

The fourth proportional to 1,185,011,822, 1,635,333,196.92 and 683,210,678.96 is: 942,840,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,011,822 : 1,635,333,196.92 = 683,210,678.96 : x
  2. Step 2: Convert to fraction form
    1,185,011,822/1,635,333,196.92 = 683,210,678.96/x
  3. Step 3: Cross multiply
    1,185,011,822x = 1,635,333,196.92 × 683,210,678.96
  4. Step 4: Simplify right side
    1,185,011,822x = 1,117,277,103,793,540,736
  5. Step 5: Solve for x
    x = 1,117,277,103,793,540,736/1,185,011,822
  6. Step 6: Final answer
    x = 942,840,470.49

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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.