Home / 1,232,413,734.83-1,700,913,490.67-780,333,721.48

Finding the Fourth Proportional to 1,232,413,734.83, 1,700,913,490.67 and 780,333,721.48

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Solution

The fourth proportional to 1,232,413,734.83, 1,700,913,490.67 and 780,333,721.48 is: 1,076,976,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,413,734.83 : 1,700,913,490.67 = 780,333,721.48 : x
  2. Step 2: Convert to fraction form
    1,232,413,734.83/1,700,913,490.67 = 780,333,721.48/x
  3. Step 3: Cross multiply
    1,232,413,734.83x = 1,700,913,490.67 × 780,333,721.48
  4. Step 4: Simplify right side
    1,232,413,734.83x = 1,327,280,154,077,652,224
  5. Step 5: Solve for x
    x = 1,327,280,154,077,652,224/1,232,413,734.83
  6. Step 6: Final answer
    x = 1,076,976,113.27

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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.