Home / 630,711,825.68-870,355,974.13-362,767,281.55

Finding the Fourth Proportional to 630,711,825.68, 870,355,974.13 and 362,767,281.55

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Solution

The fourth proportional to 630,711,825.68, 870,355,974.13 and 362,767,281.55 is: 500,603,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,711,825.68 : 870,355,974.13 = 362,767,281.55 : x
  2. Step 2: Convert to fraction form
    630,711,825.68/870,355,974.13 = 362,767,281.55/x
  3. Step 3: Cross multiply
    630,711,825.68x = 870,355,974.13 × 362,767,281.55
  4. Step 4: Simplify right side
    630,711,825.68x = 315,736,670,714,901,824
  5. Step 5: Solve for x
    x = 315,736,670,714,901,824/630,711,825.68
  6. Step 6: Final answer
    x = 500,603,695.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.