Home / 908,103,808.05-1,362,026,372.31-286,238,222.43

Finding the Fourth Proportional to 908,103,808.05, 1,362,026,372.31 and 286,238,222.43

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Solution

The fourth proportional to 908,103,808.05, 1,362,026,372.31 and 286,238,222.43 is: 429,316,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,103,808.05 : 1,362,026,372.31 = 286,238,222.43 : x
  2. Step 2: Convert to fraction form
    908,103,808.05/1,362,026,372.31 = 286,238,222.43/x
  3. Step 3: Cross multiply
    908,103,808.05x = 1,362,026,372.31 × 286,238,222.43
  4. Step 4: Simplify right side
    908,103,808.05x = 389,864,007,712,795,776
  5. Step 5: Solve for x
    x = 389,864,007,712,795,776/908,103,808.05
  6. Step 6: Final answer
    x = 429,316,565.20

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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.