Home / 1,362,178,996,389.90-1,878,921,273,235.10-873,664,157,513.15

Finding the Fourth Proportional to 1,362,178,996,389.90, 1,878,921,273,235.10 and 873,664,157,513.15

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Solution

The fourth proportional to 1,362,178,996,389.90, 1,878,921,273,235.10 and 873,664,157,513.15 is: 1,205,088,446,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,178,996,389.90 : 1,878,921,273,235.10 = 873,664,157,513.15 : x
  2. Step 2: Convert to fraction form
    1,362,178,996,389.90/1,878,921,273,235.10 = 873,664,157,513.15/x
  3. Step 3: Cross multiply
    1,362,178,996,389.90x = 1,878,921,273,235.10 × 873,664,157,513.15
  4. Step 4: Simplify right side
    1,362,178,996,389.90x = 1,641,546,171,214,478,796,914,688
  5. Step 5: Solve for x
    x = 1,641,546,171,214,478,796,914,688/1,362,178,996,389.90
  6. Step 6: Final answer
    x = 1,205,088,446,940.50

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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.