Home / 630,594,590.13-870,203,674.54-348,330,955.92

Finding the Fourth Proportional to 630,594,590.13, 870,203,674.54 and 348,330,955.92

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Solution

The fourth proportional to 630,594,590.13, 870,203,674.54 and 348,330,955.92 is: 480,687,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,594,590.13 : 870,203,674.54 = 348,330,955.92 : x
  2. Step 2: Convert to fraction form
    630,594,590.13/870,203,674.54 = 348,330,955.92/x
  3. Step 3: Cross multiply
    630,594,590.13x = 870,203,674.54 × 348,330,955.92
  4. Step 4: Simplify right side
    630,594,590.13x = 303,118,877,797,614,784
  5. Step 5: Solve for x
    x = 303,118,877,797,614,784/630,594,590.13
  6. Step 6: Final answer
    x = 480,687,406.05

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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.