Home / 776,269,042.02-1,071,243,165.06-423,843,945.30

Finding the Fourth Proportional to 776,269,042.02, 1,071,243,165.06 and 423,843,945.30

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Solution

The fourth proportional to 776,269,042.02, 1,071,243,165.06 and 423,843,945.30 is: 584,900,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,269,042.02 : 1,071,243,165.06 = 423,843,945.30 : x
  2. Step 2: Convert to fraction form
    776,269,042.02/1,071,243,165.06 = 423,843,945.30/x
  3. Step 3: Cross multiply
    776,269,042.02x = 1,071,243,165.06 × 423,843,945.30
  4. Step 4: Simplify right side
    776,269,042.02x = 454,039,929,454,689,472
  5. Step 5: Solve for x
    x = 454,039,929,454,689,472/776,269,042.02
  6. Step 6: Final answer
    x = 584,900,214.84

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1.5x scale

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.