Home / 756,371,378.80-1,134,674,373.48-319,673,901.52

Finding the Fourth Proportional to 756,371,378.80, 1,134,674,373.48 and 319,673,901.52

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Solution

The fourth proportional to 756,371,378.80, 1,134,674,373.48 and 319,673,901.52 is: 479,560,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,371,378.80 : 1,134,674,373.48 = 319,673,901.52 : x
  2. Step 2: Convert to fraction form
    756,371,378.80/1,134,674,373.48 = 319,673,901.52/x
  3. Step 3: Cross multiply
    756,371,378.80x = 1,134,674,373.48 × 319,673,901.52
  4. Step 4: Simplify right side
    756,371,378.80x = 362,725,783,925,113,216
  5. Step 5: Solve for x
    x = 362,725,783,925,113,216/756,371,378.80
  6. Step 6: Final answer
    x = 479,560,430.35

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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.