Home / 480,048,095.55-720,072,143.33-472,395,345.15

Finding the Fourth Proportional to 480,048,095.55, 720,072,143.33 and 472,395,345.15

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Solution

The fourth proportional to 480,048,095.55, 720,072,143.33 and 472,395,345.15 is: 708,593,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,048,095.55 : 720,072,143.33 = 472,395,345.15 : x
  2. Step 2: Convert to fraction form
    480,048,095.55/720,072,143.33 = 472,395,345.15/x
  3. Step 3: Cross multiply
    480,048,095.55x = 720,072,143.33 × 472,395,345.15
  4. Step 4: Simplify right side
    480,048,095.55x = 340,158,728,678,913,664
  5. Step 5: Solve for x
    x = 340,158,728,678,913,664/480,048,095.55
  6. Step 6: Final answer
    x = 708,593,017.73

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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.