Home / 630,594,589.64-870,203,673.86-348,330,955.42

Finding the Fourth Proportional to 630,594,589.64, 870,203,673.86 and 348,330,955.42

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Solution

The fourth proportional to 630,594,589.64, 870,203,673.86 and 348,330,955.42 is: 480,687,405.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,594,589.64 : 870,203,673.86 = 348,330,955.42 : x
  2. Step 2: Convert to fraction form
    630,594,589.64/870,203,673.86 = 348,330,955.42/x
  3. Step 3: Cross multiply
    630,594,589.64x = 870,203,673.86 × 348,330,955.42
  4. Step 4: Simplify right side
    630,594,589.64x = 303,118,877,119,555,200
  5. Step 5: Solve for x
    x = 303,118,877,119,555,200/630,594,589.64
  6. Step 6: Final answer
    x = 480,687,405.35

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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.