Home / 420,724,133.40-631,086,200.10-420,724,133.40

Finding the Fourth Proportional to 420,724,133.40, 631,086,200.10 and 420,724,133.40

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Solution

The fourth proportional to 420,724,133.40, 631,086,200.10 and 420,724,133.40 is: 631,086,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,724,133.40 : 631,086,200.10 = 420,724,133.40 : x
  2. Step 2: Convert to fraction form
    420,724,133.40/631,086,200.10 = 420,724,133.40/x
  3. Step 3: Cross multiply
    420,724,133.40x = 631,086,200.10 × 420,724,133.40
  4. Step 4: Simplify right side
    420,724,133.40x = 265,513,194,637,771,488
  5. Step 5: Solve for x
    x = 265,513,194,637,771,488/420,724,133.40
  6. Step 6: Final answer
    x = 631,086,200.10

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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.