Home / 748,941,666.40-1,123,415,998.80-264,267,474.40

Finding the Fourth Proportional to 748,941,666.40, 1,123,415,998.80 and 264,267,474.40

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Solution

The fourth proportional to 748,941,666.40, 1,123,415,998.80 and 264,267,474.40 is: 396,402,446.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,941,666.40 : 1,123,415,998.80 = 264,267,474.40 : x
  2. Step 2: Convert to fraction form
    748,941,666.40/1,123,415,998.80 = 264,267,474.40/x
  3. Step 3: Cross multiply
    748,941,666.40x = 1,123,415,998.80 × 264,267,474.40
  4. Step 4: Simplify right side
    748,941,666.40x = 296,882,308,703,429,440
  5. Step 5: Solve for x
    x = 296,882,308,703,429,440/748,941,666.40
  6. Step 6: Final answer
    x = 396,402,446.31

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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.