Home / 377,051,792.51-520,403,513.59-249,667,792.08

Finding the Fourth Proportional to 377,051,792.51, 520,403,513.59 and 249,667,792.08

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Solution

The fourth proportional to 377,051,792.51, 520,403,513.59 and 249,667,792.08 is: 344,589,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,051,792.51 : 520,403,513.59 = 249,667,792.08 : x
  2. Step 2: Convert to fraction form
    377,051,792.51/520,403,513.59 = 249,667,792.08/x
  3. Step 3: Cross multiply
    377,051,792.51x = 520,403,513.59 × 249,667,792.08
  4. Step 4: Simplify right side
    377,051,792.51x = 129,927,996,229,880,432
  5. Step 5: Solve for x
    x = 129,927,996,229,880,432/377,051,792.51
  6. Step 6: Final answer
    x = 344,589,254.87

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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.