Home / 282,689,952,744.33-390,111,603,545.48-154,231,488,379.77

Finding the Fourth Proportional to 282,689,952,744.33, 390,111,603,545.48 and 154,231,488,379.77

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Solution

The fourth proportional to 282,689,952,744.33, 390,111,603,545.48 and 154,231,488,379.77 is: 212,839,164,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,689,952,744.33 : 390,111,603,545.48 = 154,231,488,379.77 : x
  2. Step 2: Convert to fraction form
    282,689,952,744.33/390,111,603,545.48 = 154,231,488,379.77/x
  3. Step 3: Cross multiply
    282,689,952,744.33x = 390,111,603,545.48 × 154,231,488,379.77
  4. Step 4: Simplify right side
    282,689,952,744.33x = 60,167,493,249,038,133,755,904
  5. Step 5: Solve for x
    x = 60,167,493,249,038,133,755,904/282,689,952,744.33
  6. Step 6: Final answer
    x = 212,839,164,126.41

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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.