Home / 278,626,756,783.94-384,498,897,744.90-161,309,348,103.22

Finding the Fourth Proportional to 278,626,756,783.94, 384,498,897,744.90 and 161,309,348,103.22

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Solution

The fourth proportional to 278,626,756,783.94, 384,498,897,744.90 and 161,309,348,103.22 is: 222,603,411,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,626,756,783.94 : 384,498,897,744.90 = 161,309,348,103.22 : x
  2. Step 2: Convert to fraction form
    278,626,756,783.94/384,498,897,744.90 = 161,309,348,103.22/x
  3. Step 3: Cross multiply
    278,626,756,783.94x = 384,498,897,744.90 × 161,309,348,103.22
  4. Step 4: Simplify right side
    278,626,756,783.94x = 62,023,266,541,636,472,012,800
  5. Step 5: Solve for x
    x = 62,023,266,541,636,472,012,800/278,626,756,783.94
  6. Step 6: Final answer
    x = 222,603,411,307.45

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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.