Home / 898,590,130.96-1,240,177,568.16-517,104,325.93

Finding the Fourth Proportional to 898,590,130.96, 1,240,177,568.16 and 517,104,325.93

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Solution

The fourth proportional to 898,590,130.96, 1,240,177,568.16 and 517,104,325.93 is: 713,674,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,590,130.96 : 1,240,177,568.16 = 517,104,325.93 : x
  2. Step 2: Convert to fraction form
    898,590,130.96/1,240,177,568.16 = 517,104,325.93/x
  3. Step 3: Cross multiply
    898,590,130.96x = 1,240,177,568.16 × 517,104,325.93
  4. Step 4: Simplify right side
    898,590,130.96x = 641,301,185,416,883,456
  5. Step 5: Solve for x
    x = 641,301,185,416,883,456/898,590,130.96
  6. Step 6: Final answer
    x = 713,674,859.45

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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.