Home / 403,708,573.41-557,118,075.38-218,069,671.11

Finding the Fourth Proportional to 403,708,573.41, 557,118,075.38 and 218,069,671.11

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Solution

The fourth proportional to 403,708,573.41, 557,118,075.38 and 218,069,671.11 is: 300,936,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,708,573.41 : 557,118,075.38 = 218,069,671.11 : x
  2. Step 2: Convert to fraction form
    403,708,573.41/557,118,075.38 = 218,069,671.11/x
  3. Step 3: Cross multiply
    403,708,573.41x = 557,118,075.38 × 218,069,671.11
  4. Step 4: Simplify right side
    403,708,573.41x = 121,490,555,466,462,448
  5. Step 5: Solve for x
    x = 121,490,555,466,462,448/403,708,573.41
  6. Step 6: Final answer
    x = 300,936,277.97

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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.