Home / 1,113,995,223.96-1,671,048,339.59-423,955,958.28

Finding the Fourth Proportional to 1,113,995,223.96, 1,671,048,339.59 and 423,955,958.28

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Solution

The fourth proportional to 1,113,995,223.96, 1,671,048,339.59 and 423,955,958.28 is: 635,955,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,995,223.96 : 1,671,048,339.59 = 423,955,958.28 : x
  2. Step 2: Convert to fraction form
    1,113,995,223.96/1,671,048,339.59 = 423,955,958.28/x
  3. Step 3: Cross multiply
    1,113,995,223.96x = 1,671,048,339.59 × 423,955,958.28
  4. Step 4: Simplify right side
    1,113,995,223.96x = 708,450,900,143,081,216
  5. Step 5: Solve for x
    x = 708,450,900,143,081,216/1,113,995,223.96
  6. Step 6: Final answer
    x = 635,955,060.58

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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.