Home / 626,883,792.28-865,048,211.64-369,054,489.92

Finding the Fourth Proportional to 626,883,792.28, 865,048,211.64 and 369,054,489.92

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Solution

The fourth proportional to 626,883,792.28, 865,048,211.64 and 369,054,489.92 is: 509,264,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,883,792.28 : 865,048,211.64 = 369,054,489.92 : x
  2. Step 2: Convert to fraction form
    626,883,792.28/865,048,211.64 = 369,054,489.92/x
  3. Step 3: Cross multiply
    626,883,792.28x = 865,048,211.64 × 369,054,489.92
  4. Step 4: Simplify right side
    626,883,792.28x = 319,249,926,498,683,200
  5. Step 5: Solve for x
    x = 319,249,926,498,683,200/626,883,792.28
  6. Step 6: Final answer
    x = 509,264,923.47

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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.