Home / 561,109,746,541.02-774,389,163,720.29-341,394,036,974.03

Finding the Fourth Proportional to 561,109,746,541.02, 774,389,163,720.29 and 341,394,036,974.03

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Solution

The fourth proportional to 561,109,746,541.02, 774,389,163,720.29 and 341,394,036,974.03 is: 471,158,885,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,109,746,541.02 : 774,389,163,720.29 = 341,394,036,974.03 : x
  2. Step 2: Convert to fraction form
    561,109,746,541.02/774,389,163,720.29 = 341,394,036,974.03/x
  3. Step 3: Cross multiply
    561,109,746,541.02x = 774,389,163,720.29 × 341,394,036,974.03
  4. Step 4: Simplify right side
    561,109,746,541.02x = 264,371,842,791,412,890,337,280
  5. Step 5: Solve for x
    x = 264,371,842,791,412,890,337,280/561,109,746,541.02
  6. Step 6: Final answer
    x = 471,158,885,442.90

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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.