Home / 358,173,822.80-536,995,313.40-242,870,603.60

Finding the Fourth Proportional to 358,173,822.80, 536,995,313.40 and 242,870,603.60

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Solution

The fourth proportional to 358,173,822.80, 536,995,313.40 and 242,870,603.60 is: 364,125,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,173,822.80 : 536,995,313.40 = 242,870,603.60 : x
  2. Step 2: Convert to fraction form
    358,173,822.80/536,995,313.40 = 242,870,603.60/x
  3. Step 3: Cross multiply
    358,173,822.80x = 536,995,313.40 × 242,870,603.60
  4. Step 4: Simplify right side
    358,173,822.80x = 130,420,375,895,829,152
  5. Step 5: Solve for x
    x = 130,420,375,895,829,152/358,173,822.80
  6. Step 6: Final answer
    x = 364,125,928.79

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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.