Home / 551,931,618,681.80-827,201,020,678.20-279,724,262,646.30

Finding the Fourth Proportional to 551,931,618,681.80, 827,201,020,678.20 and 279,724,262,646.30

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Solution

The fourth proportional to 551,931,618,681.80, 827,201,020,678.20 and 279,724,262,646.30 is: 419,233,448,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,931,618,681.80 : 827,201,020,678.20 = 279,724,262,646.30 : x
  2. Step 2: Convert to fraction form
    551,931,618,681.80/827,201,020,678.20 = 279,724,262,646.30/x
  3. Step 3: Cross multiply
    551,931,618,681.80x = 827,201,020,678.20 × 279,724,262,646.30
  4. Step 4: Simplify right side
    551,931,618,681.80x = 231,388,195,569,476,237,787,136
  5. Step 5: Solve for x
    x = 231,388,195,569,476,237,787,136/551,931,618,681.80
  6. Step 6: Final answer
    x = 419,233,448,016.82

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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.