Home / 553,338,667.80-830,008,001.70-144,394,818.30

Finding the Fourth Proportional to 553,338,667.80, 830,008,001.70 and 144,394,818.30

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Solution

The fourth proportional to 553,338,667.80, 830,008,001.70 and 144,394,818.30 is: 216,592,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,338,667.80 : 830,008,001.70 = 144,394,818.30 : x
  2. Step 2: Convert to fraction form
    553,338,667.80/830,008,001.70 = 144,394,818.30/x
  3. Step 3: Cross multiply
    553,338,667.80x = 830,008,001.70 × 144,394,818.30
  4. Step 4: Simplify right side
    553,338,667.80x = 119,848,854,593,017,600
  5. Step 5: Solve for x
    x = 119,848,854,593,017,600/553,338,667.80
  6. Step 6: Final answer
    x = 216,592,227.45

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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.