Home / 553,338,666.30-830,007,999.45-144,394,816.80

Finding the Fourth Proportional to 553,338,666.30, 830,007,999.45 and 144,394,816.80

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Solution

The fourth proportional to 553,338,666.30, 830,007,999.45 and 144,394,816.80 is: 216,592,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,338,666.30 : 830,007,999.45 = 144,394,816.80 : x
  2. Step 2: Convert to fraction form
    553,338,666.30/830,007,999.45 = 144,394,816.80/x
  3. Step 3: Cross multiply
    553,338,666.30x = 830,007,999.45 × 144,394,816.80
  4. Step 4: Simplify right side
    553,338,666.30x = 119,848,853,023,117,264
  5. Step 5: Solve for x
    x = 119,848,853,023,117,264/553,338,666.30
  6. Step 6: Final answer
    x = 216,592,225.20

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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.