Home / 20,947,897,728.40-31,437,152,093.40-14,749,169,904.40

Finding the Fourth Proportional to 20,947,897,728.40, 31,437,152,093.40 and 14,749,169,904.40

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Solution

The fourth proportional to 20,947,897,728.40, 31,437,152,093.40 and 14,749,169,904.40 is: 22,134,531,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,947,897,728.40 : 31,437,152,093.40 = 14,749,169,904.40 : x
  2. Step 2: Convert to fraction form
    20,947,897,728.40/31,437,152,093.40 = 14,749,169,904.40/x
  3. Step 3: Cross multiply
    20,947,897,728.40x = 31,437,152,093.40 × 14,749,169,904.40
  4. Step 4: Simplify right side
    20,947,897,728.40x = 463,671,897,536,020,742,144
  5. Step 5: Solve for x
    x = 463,671,897,536,020,742,144/20,947,897,728.40
  6. Step 6: Final answer
    x = 22,134,531,280.79

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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.