Home / 455,440,401.81-628,508,051.06-246,596,685.93

Finding the Fourth Proportional to 455,440,401.81, 628,508,051.06 and 246,596,685.93

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Solution

The fourth proportional to 455,440,401.81, 628,508,051.06 and 246,596,685.93 is: 340,303,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,440,401.81 : 628,508,051.06 = 246,596,685.93 : x
  2. Step 2: Convert to fraction form
    455,440,401.81/628,508,051.06 = 246,596,685.93/x
  3. Step 3: Cross multiply
    455,440,401.81x = 628,508,051.06 × 246,596,685.93
  4. Step 4: Simplify right side
    455,440,401.81x = 154,988,002,470,486,240
  5. Step 5: Solve for x
    x = 154,988,002,470,486,240/455,440,401.81
  6. Step 6: Final answer
    x = 340,303,587.15

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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.