Home / 527,490,653.04-727,980,679.26-292,617,039.60

Finding the Fourth Proportional to 527,490,653.04, 727,980,679.26 and 292,617,039.60

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Solution

The fourth proportional to 527,490,653.04, 727,980,679.26 and 292,617,039.60 is: 403,835,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,490,653.04 : 727,980,679.26 = 292,617,039.60 : x
  2. Step 2: Convert to fraction form
    527,490,653.04/727,980,679.26 = 292,617,039.60/x
  3. Step 3: Cross multiply
    527,490,653.04x = 727,980,679.26 × 292,617,039.60
  4. Step 4: Simplify right side
    527,490,653.04x = 213,019,551,251,058,336
  5. Step 5: Solve for x
    x = 213,019,551,251,058,336/527,490,653.04
  6. Step 6: Final answer
    x = 403,835,688.89

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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.