Home / 684,983,518.95-945,277,262.93-371,717,732.93

Finding the Fourth Proportional to 684,983,518.95, 945,277,262.93 and 371,717,732.93

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Solution

The fourth proportional to 684,983,518.95, 945,277,262.93 and 371,717,732.93 is: 512,970,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,983,518.95 : 945,277,262.93 = 371,717,732.93 : x
  2. Step 2: Convert to fraction form
    684,983,518.95/945,277,262.93 = 371,717,732.93/x
  3. Step 3: Cross multiply
    684,983,518.95x = 945,277,262.93 × 371,717,732.93
  4. Step 4: Simplify right side
    684,983,518.95x = 351,376,321,160,030,144
  5. Step 5: Solve for x
    x = 351,376,321,160,030,144/684,983,518.95
  6. Step 6: Final answer
    x = 512,970,475.11

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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.