Home / 924,643,945.12-1,386,991,163.76-269,579,140.48

Finding the Fourth Proportional to 924,643,945.12, 1,386,991,163.76 and 269,579,140.48

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Solution

The fourth proportional to 924,643,945.12, 1,386,991,163.76 and 269,579,140.48 is: 404,376,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,643,945.12 : 1,386,991,163.76 = 269,579,140.48 : x
  2. Step 2: Convert to fraction form
    924,643,945.12/1,386,991,163.76 = 269,579,140.48/x
  3. Step 3: Cross multiply
    924,643,945.12x = 1,386,991,163.76 × 269,579,140.48
  4. Step 4: Simplify right side
    924,643,945.12x = 373,903,885,779,775,744
  5. Step 5: Solve for x
    x = 373,903,885,779,775,744/924,643,945.12
  6. Step 6: Final answer
    x = 404,376,071.19

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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.