Home / 1,413,799,391,963.90-2,120,699,116,006.80-339,355,312,894.12

Finding the Fourth Proportional to 1,413,799,391,963.90, 2,120,699,116,006.80 and 339,355,312,894.12

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Solution

The fourth proportional to 1,413,799,391,963.90, 2,120,699,116,006.80 and 339,355,312,894.12 is: 509,032,976,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,799,391,963.90 : 2,120,699,116,006.80 = 339,355,312,894.12 : x
  2. Step 2: Convert to fraction form
    1,413,799,391,963.90/2,120,699,116,006.80 = 339,355,312,894.12/x
  3. Step 3: Cross multiply
    1,413,799,391,963.90x = 2,120,699,116,006.80 × 339,355,312,894.12
  4. Step 4: Simplify right side
    1,413,799,391,963.90x = 719,670,512,066,771,304,841,216
  5. Step 5: Solve for x
    x = 719,670,512,066,771,304,841,216/1,413,799,391,963.90
  6. Step 6: Final answer
    x = 509,032,976,076.67

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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.