Home / 743,549,411.46-1,115,087,491.65-245,467,186.50

Finding the Fourth Proportional to 743,549,411.46, 1,115,087,491.65 and 245,467,186.50

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Solution

The fourth proportional to 743,549,411.46, 1,115,087,491.65 and 245,467,186.50 is: 368,122,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,549,411.46 : 1,115,087,491.65 = 245,467,186.50 : x
  2. Step 2: Convert to fraction form
    743,549,411.46/1,115,087,491.65 = 245,467,186.50/x
  3. Step 3: Cross multiply
    743,549,411.46x = 1,115,087,491.65 × 245,467,186.50
  4. Step 4: Simplify right side
    743,549,411.46x = 273,717,389,276,667,776
  5. Step 5: Solve for x
    x = 273,717,389,276,667,776/743,549,411.46
  6. Step 6: Final answer
    x = 368,122,662.81

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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.