Home / 1,145,212,313.80-1,717,689,828.84-316,283,798.92

Finding the Fourth Proportional to 1,145,212,313.80, 1,717,689,828.84 and 316,283,798.92

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Solution

The fourth proportional to 1,145,212,313.80, 1,717,689,828.84 and 316,283,798.92 is: 474,390,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,212,313.80 : 1,717,689,828.84 = 316,283,798.92 : x
  2. Step 2: Convert to fraction form
    1,145,212,313.80/1,717,689,828.84 = 316,283,798.92/x
  3. Step 3: Cross multiply
    1,145,212,313.80x = 1,717,689,828.84 × 316,283,798.92
  4. Step 4: Simplify right side
    1,145,212,313.80x = 543,277,464,431,759,808
  5. Step 5: Solve for x
    x = 543,277,464,431,759,808/1,145,212,313.80
  6. Step 6: Final answer
    x = 474,390,170.18

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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.