Home / 427,139,609.55-589,475,547.99-238,956,677.52

Finding the Fourth Proportional to 427,139,609.55, 589,475,547.99 and 238,956,677.52

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Solution

The fourth proportional to 427,139,609.55, 589,475,547.99 and 238,956,677.52 is: 329,773,018.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,139,609.55 : 589,475,547.99 = 238,956,677.52 : x
  2. Step 2: Convert to fraction form
    427,139,609.55/589,475,547.99 = 238,956,677.52/x
  3. Step 3: Cross multiply
    427,139,609.55x = 589,475,547.99 × 238,956,677.52
  4. Step 4: Simplify right side
    427,139,609.55x = 140,859,118,426,971,728
  5. Step 5: Solve for x
    x = 140,859,118,426,971,728/427,139,609.55
  6. Step 6: Final answer
    x = 329,773,018.65

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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.