Home / 1,043,076,004.80-1,564,614,007.20-315,970,238.40

Finding the Fourth Proportional to 1,043,076,004.80, 1,564,614,007.20 and 315,970,238.40

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Solution

The fourth proportional to 1,043,076,004.80, 1,564,614,007.20 and 315,970,238.40 is: 473,955,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,076,004.80 : 1,564,614,007.20 = 315,970,238.40 : x
  2. Step 2: Convert to fraction form
    1,043,076,004.80/1,564,614,007.20 = 315,970,238.40/x
  3. Step 3: Cross multiply
    1,043,076,004.80x = 1,564,614,007.20 × 315,970,238.40
  4. Step 4: Simplify right side
    1,043,076,004.80x = 494,371,460,858,963,264
  5. Step 5: Solve for x
    x = 494,371,460,858,963,264/1,043,076,004.80
  6. Step 6: Final answer
    x = 473,955,357.60

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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.