Home / 1,210,737,785.45-1,816,106,699.32-290,614,124.07

Finding the Fourth Proportional to 1,210,737,785.45, 1,816,106,699.32 and 290,614,124.07

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Solution

The fourth proportional to 1,210,737,785.45, 1,816,106,699.32 and 290,614,124.07 is: 435,921,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,737,785.45 : 1,816,106,699.32 = 290,614,124.07 : x
  2. Step 2: Convert to fraction form
    1,210,737,785.45/1,816,106,699.32 = 290,614,124.07/x
  3. Step 3: Cross multiply
    1,210,737,785.45x = 1,816,106,699.32 × 290,614,124.07
  4. Step 4: Simplify right side
    1,210,737,785.45x = 527,786,257,645,712,960
  5. Step 5: Solve for x
    x = 527,786,257,645,712,960/1,210,737,785.45
  6. Step 6: Final answer
    x = 435,921,191.19

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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.