Home / 39,459,712,864.80-59,189,569,297.20-18,539,006,458.80

Finding the Fourth Proportional to 39,459,712,864.80, 59,189,569,297.20 and 18,539,006,458.80

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Solution

The fourth proportional to 39,459,712,864.80, 59,189,569,297.20 and 18,539,006,458.80 is: 27,808,509,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459,712,864.80 : 59,189,569,297.20 = 18,539,006,458.80 : x
  2. Step 2: Convert to fraction form
    39,459,712,864.80/59,189,569,297.20 = 18,539,006,458.80/x
  3. Step 3: Cross multiply
    39,459,712,864.80x = 59,189,569,297.20 × 18,539,006,458.80
  4. Step 4: Simplify right side
    39,459,712,864.80x = 1,097,315,807,494,380,847,104
  5. Step 5: Solve for x
    x = 1,097,315,807,494,380,847,104/39,459,712,864.80
  6. Step 6: Final answer
    x = 27,808,509,688.20

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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.