Home / 315,249,726,980.03-472,935,429,842.20-102,956,786,972.51

Finding the Fourth Proportional to 315,249,726,980.03, 472,935,429,842.20 and 102,956,786,972.51

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Solution

The fourth proportional to 315,249,726,980.03, 472,935,429,842.20 and 102,956,786,972.51 is: 154,455,049,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,249,726,980.03 : 472,935,429,842.20 = 102,956,786,972.51 : x
  2. Step 2: Convert to fraction form
    315,249,726,980.03/472,935,429,842.20 = 102,956,786,972.51/x
  3. Step 3: Cross multiply
    315,249,726,980.03x = 472,935,429,842.20 × 102,956,786,972.51
  4. Step 4: Simplify right side
    315,249,726,980.03x = 48,691,912,302,015,832,653,824
  5. Step 5: Solve for x
    x = 48,691,912,302,015,832,653,824/315,249,726,980.03
  6. Step 6: Final answer
    x = 154,455,049,869.40

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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.