Home / 21,152,762,078.40-31,729,143,117.60-14,954,034,254.40

Finding the Fourth Proportional to 21,152,762,078.40, 31,729,143,117.60 and 14,954,034,254.40

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Solution

The fourth proportional to 21,152,762,078.40, 31,729,143,117.60 and 14,954,034,254.40 is: 22,431,051,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,762,078.40 : 31,729,143,117.60 = 14,954,034,254.40 : x
  2. Step 2: Convert to fraction form
    21,152,762,078.40/31,729,143,117.60 = 14,954,034,254.40/x
  3. Step 3: Cross multiply
    21,152,762,078.40x = 31,729,143,117.60 × 14,954,034,254.40
  4. Step 4: Simplify right side
    21,152,762,078.40x = 474,478,693,043,350,405,120
  5. Step 5: Solve for x
    x = 474,478,693,043,350,405,120/21,152,762,078.40
  6. Step 6: Final answer
    x = 22,431,051,381.60

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1.5x scale

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.