Home / 403,708,568.54-557,118,068.65-218,069,666.24

Finding the Fourth Proportional to 403,708,568.54, 557,118,068.65 and 218,069,666.24

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Solution

The fourth proportional to 403,708,568.54, 557,118,068.65 and 218,069,666.24 is: 300,936,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,708,568.54 : 557,118,068.65 = 218,069,666.24 : x
  2. Step 2: Convert to fraction form
    403,708,568.54/557,118,068.65 = 218,069,666.24/x
  3. Step 3: Cross multiply
    403,708,568.54x = 557,118,068.65 × 218,069,666.24
  4. Step 4: Simplify right side
    403,708,568.54x = 121,490,551,283,448,160
  5. Step 5: Solve for x
    x = 121,490,551,283,448,160/403,708,568.54
  6. Step 6: Final answer
    x = 300,936,271.24

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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.