Home / 31,353,696,031.60-47,030,544,047.40-13,939,437,343.60

Finding the Fourth Proportional to 31,353,696,031.60, 47,030,544,047.40 and 13,939,437,343.60

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Solution

The fourth proportional to 31,353,696,031.60, 47,030,544,047.40 and 13,939,437,343.60 is: 20,909,156,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353,696,031.60 : 47,030,544,047.40 = 13,939,437,343.60 : x
  2. Step 2: Convert to fraction form
    31,353,696,031.60/47,030,544,047.40 = 13,939,437,343.60/x
  3. Step 3: Cross multiply
    31,353,696,031.60x = 47,030,544,047.40 × 13,939,437,343.60
  4. Step 4: Simplify right side
    31,353,696,031.60x = 655,579,321,984,152,240,128
  5. Step 5: Solve for x
    x = 655,579,321,984,152,240,128/31,353,696,031.60
  6. Step 6: Final answer
    x = 20,909,156,015.40

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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.