Home / 859,111,034.61-1,288,139,160.95-333,866,848.53

Finding the Fourth Proportional to 859,111,034.61, 1,288,139,160.95 and 333,866,848.53

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Solution

The fourth proportional to 859,111,034.61, 1,288,139,160.95 and 333,866,848.53 is: 500,595,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,111,034.61 : 1,288,139,160.95 = 333,866,848.53 : x
  2. Step 2: Convert to fraction form
    859,111,034.61/1,288,139,160.95 = 333,866,848.53/x
  3. Step 3: Cross multiply
    859,111,034.61x = 1,288,139,160.95 × 333,866,848.53
  4. Step 4: Simplify right side
    859,111,034.61x = 430,066,962,134,454,912
  5. Step 5: Solve for x
    x = 430,066,962,134,454,912/859,111,034.61
  6. Step 6: Final answer
    x = 500,595,318.66

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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.