Home / 935,083,150.20-1,402,624,725.30-390,215,719.80

Finding the Fourth Proportional to 935,083,150.20, 1,402,624,725.30 and 390,215,719.80

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Solution

The fourth proportional to 935,083,150.20, 1,402,624,725.30 and 390,215,719.80 is: 585,323,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,083,150.20 : 1,402,624,725.30 = 390,215,719.80 : x
  2. Step 2: Convert to fraction form
    935,083,150.20/1,402,624,725.30 = 390,215,719.80/x
  3. Step 3: Cross multiply
    935,083,150.20x = 1,402,624,725.30 × 390,215,719.80
  4. Step 4: Simplify right side
    935,083,150.20x = 547,326,216,792,216,768
  5. Step 5: Solve for x
    x = 547,326,216,792,216,768/935,083,150.20
  6. Step 6: Final answer
    x = 585,323,579.70

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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.