Home / 480,048,101.30-720,072,151.95-472,395,350.90

Finding the Fourth Proportional to 480,048,101.30, 720,072,151.95 and 472,395,350.90

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Solution

The fourth proportional to 480,048,101.30, 720,072,151.95 and 472,395,350.90 is: 708,593,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,048,101.30 : 720,072,151.95 = 472,395,350.90 : x
  2. Step 2: Convert to fraction form
    480,048,101.30/720,072,151.95 = 472,395,350.90/x
  3. Step 3: Cross multiply
    480,048,101.30x = 720,072,151.95 × 472,395,350.90
  4. Step 4: Simplify right side
    480,048,101.30x = 340,158,736,893,738,368
  5. Step 5: Solve for x
    x = 340,158,736,893,738,368/480,048,101.30
  6. Step 6: Final answer
    x = 708,593,026.35

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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.