Home / 708,589,068.30-1,062,883,602.45-345,792,012.30

Finding the Fourth Proportional to 708,589,068.30, 1,062,883,602.45 and 345,792,012.30

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Solution

The fourth proportional to 708,589,068.30, 1,062,883,602.45 and 345,792,012.30 is: 518,688,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,068.30 : 1,062,883,602.45 = 345,792,012.30 : x
  2. Step 2: Convert to fraction form
    708,589,068.30/1,062,883,602.45 = 345,792,012.30/x
  3. Step 3: Cross multiply
    708,589,068.30x = 1,062,883,602.45 × 345,792,012.30
  4. Step 4: Simplify right side
    708,589,068.30x = 367,536,659,731,858,752
  5. Step 5: Solve for x
    x = 367,536,659,731,858,752/708,589,068.30
  6. Step 6: Final answer
    x = 518,688,018.45

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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.