Home / 1,310,496,946.24-1,966,021,496.64-425,113,172.82

Finding the Fourth Proportional to 1,310,496,946.24, 1,966,021,496.64 and 425,113,172.82

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Solution

The fourth proportional to 1,310,496,946.24, 1,966,021,496.64 and 425,113,172.82 is: 637,759,316.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,496,946.24 : 1,966,021,496.64 = 425,113,172.82 : x
  2. Step 2: Convert to fraction form
    1,310,496,946.24/1,966,021,496.64 = 425,113,172.82/x
  3. Step 3: Cross multiply
    1,310,496,946.24x = 1,966,021,496.64 × 425,113,172.82
  4. Step 4: Simplify right side
    1,310,496,946.24x = 835,781,636,268,955,392
  5. Step 5: Solve for x
    x = 835,781,636,268,955,392/1,310,496,946.24
  6. Step 6: Final answer
    x = 637,759,316.16

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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.