Home / 942,705,802.70-1,300,882,858.17-519,237,080.18

Finding the Fourth Proportional to 942,705,802.70, 1,300,882,858.17 and 519,237,080.18

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Solution

The fourth proportional to 942,705,802.70, 1,300,882,858.17 and 519,237,080.18 is: 716,518,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,705,802.70 : 1,300,882,858.17 = 519,237,080.18 : x
  2. Step 2: Convert to fraction form
    942,705,802.70/1,300,882,858.17 = 519,237,080.18/x
  3. Step 3: Cross multiply
    942,705,802.70x = 1,300,882,858.17 × 519,237,080.18
  4. Step 4: Simplify right side
    942,705,802.70x = 675,466,616,932,403,968
  5. Step 5: Solve for x
    x = 675,466,616,932,403,968/942,705,802.70
  6. Step 6: Final answer
    x = 716,518,997.76

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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.