Home / 328,757,302.12-453,683,944.72-189,527,400.04

Finding the Fourth Proportional to 328,757,302.12, 453,683,944.72 and 189,527,400.04

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Solution

The fourth proportional to 328,757,302.12, 453,683,944.72 and 189,527,400.04 is: 261,547,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,757,302.12 : 453,683,944.72 = 189,527,400.04 : x
  2. Step 2: Convert to fraction form
    328,757,302.12/453,683,944.72 = 189,527,400.04/x
  3. Step 3: Cross multiply
    328,757,302.12x = 453,683,944.72 × 189,527,400.04
  4. Step 4: Simplify right side
    328,757,302.12x = 85,985,538,482,672,688
  5. Step 5: Solve for x
    x = 85,985,538,482,672,688/328,757,302.12
  6. Step 6: Final answer
    x = 261,547,159.34

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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.