Home / 427,798,922,705.60-641,698,384,058.40-229,439,632,337.60

Finding the Fourth Proportional to 427,798,922,705.60, 641,698,384,058.40 and 229,439,632,337.60

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Solution

The fourth proportional to 427,798,922,705.60, 641,698,384,058.40 and 229,439,632,337.60 is: 344,159,448,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,798,922,705.60 : 641,698,384,058.40 = 229,439,632,337.60 : x
  2. Step 2: Convert to fraction form
    427,798,922,705.60/641,698,384,058.40 = 229,439,632,337.60/x
  3. Step 3: Cross multiply
    427,798,922,705.60x = 641,698,384,058.40 × 229,439,632,337.60
  4. Step 4: Simplify right side
    427,798,922,705.60x = 147,231,041,309,991,346,634,752
  5. Step 5: Solve for x
    x = 147,231,041,309,991,346,634,752/427,798,922,705.60
  6. Step 6: Final answer
    x = 344,159,448,506.40

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Double scale
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1.5x scale

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.