Home / 1,381,141,938.86-1,905,953,632.35-754,596,913.58

Finding the Fourth Proportional to 1,381,141,938.86, 1,905,953,632.35 and 754,596,913.58

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Solution

The fourth proportional to 1,381,141,938.86, 1,905,953,632.35 and 754,596,913.58 is: 1,041,331,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,141,938.86 : 1,905,953,632.35 = 754,596,913.58 : x
  2. Step 2: Convert to fraction form
    1,381,141,938.86/1,905,953,632.35 = 754,596,913.58/x
  3. Step 3: Cross multiply
    1,381,141,938.86x = 1,905,953,632.35 × 754,596,913.58
  4. Step 4: Simplify right side
    1,381,141,938.86x = 1,438,226,728,397,900,032
  5. Step 5: Solve for x
    x = 1,438,226,728,397,900,032/1,381,141,938.86
  6. Step 6: Final answer
    x = 1,041,331,587.96

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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.