Home / 282,615,425,574.88-390,010,499,800.32-154,159,673,552.32

Finding the Fourth Proportional to 282,615,425,574.88, 390,010,499,800.32 and 154,159,673,552.32

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Solution

The fourth proportional to 282,615,425,574.88, 390,010,499,800.32 and 154,159,673,552.32 is: 212,741,010,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,615,425,574.88 : 390,010,499,800.32 = 154,159,673,552.32 : x
  2. Step 2: Convert to fraction form
    282,615,425,574.88/390,010,499,800.32 = 154,159,673,552.32/x
  3. Step 3: Cross multiply
    282,615,425,574.88x = 390,010,499,800.32 × 154,159,673,552.32
  4. Step 4: Simplify right side
    282,615,425,574.88x = 60,123,891,331,194,500,939,776
  5. Step 5: Solve for x
    x = 60,123,891,331,194,500,939,776/282,615,425,574.88
  6. Step 6: Final answer
    x = 212,741,010,894.55

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1.5x scale

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.