Home / 21,167,132,420.07-31,750,698,619.17-7,903,426,527.81

Finding the Fourth Proportional to 21,167,132,420.07, 31,750,698,619.17 and 7,903,426,527.81

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Solution

The fourth proportional to 21,167,132,420.07, 31,750,698,619.17 and 7,903,426,527.81 is: 11,855,139,787.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,132,420.07 : 31,750,698,619.17 = 7,903,426,527.81 : x
  2. Step 2: Convert to fraction form
    21,167,132,420.07/31,750,698,619.17 = 7,903,426,527.81/x
  3. Step 3: Cross multiply
    21,167,132,420.07x = 31,750,698,619.17 × 7,903,426,527.81
  4. Step 4: Simplify right side
    21,167,132,420.07x = 250,939,313,743,248,523,264
  5. Step 5: Solve for x
    x = 250,939,313,743,248,523,264/21,167,132,420.07
  6. Step 6: Final answer
    x = 11,855,139,787.63

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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.