Home / 373,574,828.20-559,606,415.10-258,689,093.80

Finding the Fourth Proportional to 373,574,828.20, 559,606,415.10 and 258,689,093.80

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Solution

The fourth proportional to 373,574,828.20, 559,606,415.10 and 258,689,093.80 is: 387,510,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,574,828.20 : 559,606,415.10 = 258,689,093.80 : x
  2. Step 2: Convert to fraction form
    373,574,828.20/559,606,415.10 = 258,689,093.80/x
  3. Step 3: Cross multiply
    373,574,828.20x = 559,606,415.10 × 258,689,093.80
  4. Step 4: Simplify right side
    373,574,828.20x = 144,764,076,406,885,664
  5. Step 5: Solve for x
    x = 144,764,076,406,885,664/373,574,828.20
  6. Step 6: Final answer
    x = 387,510,253.58

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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.