Home / 551,561,068,932.18-761,152,161,711.81-307,690,343,566.84

Finding the Fourth Proportional to 551,561,068,932.18, 761,152,161,711.81 and 307,690,343,566.84

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Solution

The fourth proportional to 551,561,068,932.18, 761,152,161,711.81 and 307,690,343,566.84 is: 424,611,495,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,561,068,932.18 : 761,152,161,711.81 = 307,690,343,566.84 : x
  2. Step 2: Convert to fraction form
    551,561,068,932.18/761,152,161,711.81 = 307,690,343,566.84/x
  3. Step 3: Cross multiply
    551,561,068,932.18x = 761,152,161,711.81 × 307,690,343,566.84
  4. Step 4: Simplify right side
    551,561,068,932.18x = 234,199,170,143,749,824,053,248
  5. Step 5: Solve for x
    x = 234,199,170,143,749,824,053,248/551,561,068,932.18
  6. Step 6: Final answer
    x = 424,611,495,146.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.