Home / 328,729,810.08-453,428,702.10-211,403,471.16

Finding the Fourth Proportional to 328,729,810.08, 453,428,702.10 and 211,403,471.16

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Solution

The fourth proportional to 328,729,810.08, 453,428,702.10 and 211,403,471.16 is: 291,596,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,729,810.08 : 453,428,702.10 = 211,403,471.16 : x
  2. Step 2: Convert to fraction form
    328,729,810.08/453,428,702.10 = 211,403,471.16/x
  3. Step 3: Cross multiply
    328,729,810.08x = 453,428,702.10 × 211,403,471.16
  4. Step 4: Simplify right side
    328,729,810.08x = 95,856,401,547,513,584
  5. Step 5: Solve for x
    x = 95,856,401,547,513,584/328,729,810.08
  6. Step 6: Final answer
    x = 291,596,315.91

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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.