Home / 484,927,015.60-727,390,523.40-212,829,223.60

Finding the Fourth Proportional to 484,927,015.60, 727,390,523.40 and 212,829,223.60

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Solution

The fourth proportional to 484,927,015.60, 727,390,523.40 and 212,829,223.60 is: 319,243,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,927,015.60 : 727,390,523.40 = 212,829,223.60 : x
  2. Step 2: Convert to fraction form
    484,927,015.60/727,390,523.40 = 212,829,223.60/x
  3. Step 3: Cross multiply
    484,927,015.60x = 727,390,523.40 × 212,829,223.60
  4. Step 4: Simplify right side
    484,927,015.60x = 154,809,960,349,219,616
  5. Step 5: Solve for x
    x = 154,809,960,349,219,616/484,927,015.60
  6. Step 6: Final answer
    x = 319,243,835.40

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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.