Home / 908,103,809.05-1,362,026,373.81-286,238,223.43

Finding the Fourth Proportional to 908,103,809.05, 1,362,026,373.81 and 286,238,223.43

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Solution

The fourth proportional to 908,103,809.05, 1,362,026,373.81 and 286,238,223.43 is: 429,316,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,103,809.05 : 1,362,026,373.81 = 286,238,223.43 : x
  2. Step 2: Convert to fraction form
    908,103,809.05/1,362,026,373.81 = 286,238,223.43/x
  3. Step 3: Cross multiply
    908,103,809.05x = 1,362,026,373.81 × 286,238,223.43
  4. Step 4: Simplify right side
    908,103,809.05x = 389,864,009,504,179,456
  5. Step 5: Solve for x
    x = 389,864,009,504,179,456/908,103,809.05
  6. Step 6: Final answer
    x = 429,316,566.70

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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.