Home / 1,640,852,666.31-2,461,670,558.25-535,459,579.68

Finding the Fourth Proportional to 1,640,852,666.31, 2,461,670,558.25 and 535,459,579.68

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Solution

The fourth proportional to 1,640,852,666.31, 2,461,670,558.25 and 535,459,579.68 is: 803,317,146.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,852,666.31 : 2,461,670,558.25 = 535,459,579.68 : x
  2. Step 2: Convert to fraction form
    1,640,852,666.31/2,461,670,558.25 = 535,459,579.68/x
  3. Step 3: Cross multiply
    1,640,852,666.31x = 2,461,670,558.25 × 535,459,579.68
  4. Step 4: Simplify right side
    1,640,852,666.31x = 1,318,125,082,431,175,936
  5. Step 5: Solve for x
    x = 1,318,125,082,431,175,936/1,640,852,666.31
  6. Step 6: Final answer
    x = 803,317,146.93

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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.