Home / 402,095,822.32-554,732,671.87-232,518,725.74

Finding the Fourth Proportional to 402,095,822.32, 554,732,671.87 and 232,518,725.74

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Solution

The fourth proportional to 402,095,822.32, 554,732,671.87 and 232,518,725.74 is: 320,783,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,095,822.32 : 554,732,671.87 = 232,518,725.74 : x
  2. Step 2: Convert to fraction form
    402,095,822.32/554,732,671.87 = 232,518,725.74/x
  3. Step 3: Cross multiply
    402,095,822.32x = 554,732,671.87 × 232,518,725.74
  4. Step 4: Simplify right side
    402,095,822.32x = 128,985,733,989,557,952
  5. Step 5: Solve for x
    x = 128,985,733,989,557,952/402,095,822.32
  6. Step 6: Final answer
    x = 320,783,571.55

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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.