Home / 984,095,999.80-1,476,143,999.70-401,636,663.80

Finding the Fourth Proportional to 984,095,999.80, 1,476,143,999.70 and 401,636,663.80

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Solution

The fourth proportional to 984,095,999.80, 1,476,143,999.70 and 401,636,663.80 is: 602,454,995.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,095,999.80 : 1,476,143,999.70 = 401,636,663.80 : x
  2. Step 2: Convert to fraction form
    984,095,999.80/1,476,143,999.70 = 401,636,663.80/x
  3. Step 3: Cross multiply
    984,095,999.80x = 1,476,143,999.70 × 401,636,663.80
  4. Step 4: Simplify right side
    984,095,999.80x = 592,873,551,327,896,192
  5. Step 5: Solve for x
    x = 592,873,551,327,896,192/984,095,999.80
  6. Step 6: Final answer
    x = 602,454,995.70

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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.