Home / 557,892,075.36-770,952,868.68-418,420,699.32

Finding the Fourth Proportional to 557,892,075.36, 770,952,868.68 and 418,420,699.32

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Solution

The fourth proportional to 557,892,075.36, 770,952,868.68 and 418,420,699.32 is: 578,216,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,892,075.36 : 770,952,868.68 = 418,420,699.32 : x
  2. Step 2: Convert to fraction form
    557,892,075.36/770,952,868.68 = 418,420,699.32/x
  3. Step 3: Cross multiply
    557,892,075.36x = 770,952,868.68 × 418,420,699.32
  4. Step 4: Simplify right side
    557,892,075.36x = 322,582,638,455,845,696
  5. Step 5: Solve for x
    x = 322,582,638,455,845,696/557,892,075.36
  6. Step 6: Final answer
    x = 578,216,921.70

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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.