Home / 1,211,125,730.16-1,671,354,239.82-654,209,023.26

Finding the Fourth Proportional to 1,211,125,730.16, 1,671,354,239.82 and 654,209,023.26

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Solution

The fourth proportional to 1,211,125,730.16, 1,671,354,239.82 and 654,209,023.26 is: 902,808,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,125,730.16 : 1,671,354,239.82 = 654,209,023.26 : x
  2. Step 2: Convert to fraction form
    1,211,125,730.16/1,671,354,239.82 = 654,209,023.26/x
  3. Step 3: Cross multiply
    1,211,125,730.16x = 1,671,354,239.82 × 654,209,023.26
  4. Step 4: Simplify right side
    1,211,125,730.16x = 1,093,415,024,754,101,888
  5. Step 5: Solve for x
    x = 1,093,415,024,754,101,888/1,211,125,730.16
  6. Step 6: Final answer
    x = 902,808,847.61

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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.