Home / 30,343,814,657.60-45,515,721,986.40-29,878,910,070.80

Finding the Fourth Proportional to 30,343,814,657.60, 45,515,721,986.40 and 29,878,910,070.80

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Solution

The fourth proportional to 30,343,814,657.60, 45,515,721,986.40 and 29,878,910,070.80 is: 44,818,365,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,814,657.60 : 45,515,721,986.40 = 29,878,910,070.80 : x
  2. Step 2: Convert to fraction form
    30,343,814,657.60/45,515,721,986.40 = 29,878,910,070.80/x
  3. Step 3: Cross multiply
    30,343,814,657.60x = 45,515,721,986.40 × 29,878,910,070.80
  4. Step 4: Simplify right side
    30,343,814,657.60x = 1,359,960,164,039,179,894,784
  5. Step 5: Solve for x
    x = 1,359,960,164,039,179,894,784/30,343,814,657.60
  6. Step 6: Final answer
    x = 44,818,365,106.20

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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.