Home / 898,727,076.90-1,240,135,953.93-496,786,529.88

Finding the Fourth Proportional to 898,727,076.90, 1,240,135,953.93 and 496,786,529.88

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Solution

The fourth proportional to 898,727,076.90, 1,240,135,953.93 and 496,786,529.88 is: 685,506,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,727,076.90 : 1,240,135,953.93 = 496,786,529.88 : x
  2. Step 2: Convert to fraction form
    898,727,076.90/1,240,135,953.93 = 496,786,529.88/x
  3. Step 3: Cross multiply
    898,727,076.90x = 1,240,135,953.93 × 496,786,529.88
  4. Step 4: Simplify right side
    898,727,076.90x = 616,082,837,132,308,224
  5. Step 5: Solve for x
    x = 616,082,837,132,308,224/898,727,076.90
  6. Step 6: Final answer
    x = 685,506,037.34

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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.