Home / 726,430,030.56-1,002,494,765.52-396,426,466.08

Finding the Fourth Proportional to 726,430,030.56, 1,002,494,765.52 and 396,426,466.08

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Solution

The fourth proportional to 726,430,030.56, 1,002,494,765.52 and 396,426,466.08 is: 547,080,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,430,030.56 : 1,002,494,765.52 = 396,426,466.08 : x
  2. Step 2: Convert to fraction form
    726,430,030.56/1,002,494,765.52 = 396,426,466.08/x
  3. Step 3: Cross multiply
    726,430,030.56x = 1,002,494,765.52 × 396,426,466.08
  4. Step 4: Simplify right side
    726,430,030.56x = 397,415,457,158,791,808
  5. Step 5: Solve for x
    x = 397,415,457,158,791,808/726,430,030.56
  6. Step 6: Final answer
    x = 547,080,159.74

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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.