Home / 402,095,821.32-554,732,670.49-232,518,724.74

Finding the Fourth Proportional to 402,095,821.32, 554,732,670.49 and 232,518,724.74

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Solution

The fourth proportional to 402,095,821.32, 554,732,670.49 and 232,518,724.74 is: 320,783,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,095,821.32 : 554,732,670.49 = 232,518,724.74 : x
  2. Step 2: Convert to fraction form
    402,095,821.32/554,732,670.49 = 232,518,724.74/x
  3. Step 3: Cross multiply
    402,095,821.32x = 554,732,670.49 × 232,518,724.74
  4. Step 4: Simplify right side
    402,095,821.32x = 128,985,733,113,368,128
  5. Step 5: Solve for x
    x = 128,985,733,113,368,128/402,095,821.32
  6. Step 6: Final answer
    x = 320,783,570.17

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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.