Home / 418,917,264.06-578,105,821.98-242,807,410.92

Finding the Fourth Proportional to 418,917,264.06, 578,105,821.98 and 242,807,410.92

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Solution

The fourth proportional to 418,917,264.06, 578,105,821.98 and 242,807,410.92 is: 335,074,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,917,264.06 : 578,105,821.98 = 242,807,410.92 : x
  2. Step 2: Convert to fraction form
    418,917,264.06/578,105,821.98 = 242,807,410.92/x
  3. Step 3: Cross multiply
    418,917,264.06x = 578,105,821.98 × 242,807,410.92
  4. Step 4: Simplify right side
    418,917,264.06x = 140,368,377,872,742,224
  5. Step 5: Solve for x
    x = 140,368,377,872,742,224/418,917,264.06
  6. Step 6: Final answer
    x = 335,074,225.67

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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.