Home / 28,580,130,432.40-42,875,079,703.74-11,782,759,396.96

Finding the Fourth Proportional to 28,580,130,432.40, 42,875,079,703.74 and 11,782,759,396.96

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Solution

The fourth proportional to 28,580,130,432.40, 42,875,079,703.74 and 11,782,759,396.96 is: 17,676,152,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580,130,432.40 : 42,875,079,703.74 = 11,782,759,396.96 : x
  2. Step 2: Convert to fraction form
    28,580,130,432.40/42,875,079,703.74 = 11,782,759,396.96/x
  3. Step 3: Cross multiply
    28,580,130,432.40x = 42,875,079,703.74 × 11,782,759,396.96
  4. Step 4: Simplify right side
    28,580,130,432.40x = 505,186,748,274,651,365,376
  5. Step 5: Solve for x
    x = 505,186,748,274,651,365,376/28,580,130,432.40
  6. Step 6: Final answer
    x = 17,676,152,649.81

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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.