Home / 1,310,496,948.24-1,966,021,499.64-425,113,174.83

Finding the Fourth Proportional to 1,310,496,948.24, 1,966,021,499.64 and 425,113,174.83

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Solution

The fourth proportional to 1,310,496,948.24, 1,966,021,499.64 and 425,113,174.83 is: 637,759,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,496,948.24 : 1,966,021,499.64 = 425,113,174.83 : x
  2. Step 2: Convert to fraction form
    1,310,496,948.24/1,966,021,499.64 = 425,113,174.83/x
  3. Step 3: Cross multiply
    1,310,496,948.24x = 1,966,021,499.64 × 425,113,174.83
  4. Step 4: Simplify right side
    1,310,496,948.24x = 835,781,641,495,998,080
  5. Step 5: Solve for x
    x = 835,781,641,495,998,080/1,310,496,948.24
  6. Step 6: Final answer
    x = 637,759,319.18

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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.