Home / 558,962,947.83-771,366,537.08-308,066,740.86

Finding the Fourth Proportional to 558,962,947.83, 771,366,537.08 and 308,066,740.86

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Solution

The fourth proportional to 558,962,947.83, 771,366,537.08 and 308,066,740.86 is: 425,130,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,962,947.83 : 771,366,537.08 = 308,066,740.86 : x
  2. Step 2: Convert to fraction form
    558,962,947.83/771,366,537.08 = 308,066,740.86/x
  3. Step 3: Cross multiply
    558,962,947.83x = 771,366,537.08 × 308,066,740.86
  4. Step 4: Simplify right side
    558,962,947.83x = 237,632,375,085,159,648
  5. Step 5: Solve for x
    x = 237,632,375,085,159,648/558,962,947.83
  6. Step 6: Final answer
    x = 425,130,817.72

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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.