Home / 506,768,666.51-759,875,889.35-402,394,477.47

Finding the Fourth Proportional to 506,768,666.51, 759,875,889.35 and 402,394,477.47

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Solution

The fourth proportional to 506,768,666.51, 759,875,889.35 and 402,394,477.47 is: 603,371,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,768,666.51 : 759,875,889.35 = 402,394,477.47 : x
  2. Step 2: Convert to fraction form
    506,768,666.51/759,875,889.35 = 402,394,477.47/x
  3. Step 3: Cross multiply
    506,768,666.51x = 759,875,889.35 × 402,394,477.47
  4. Step 4: Simplify right side
    506,768,666.51x = 305,769,861,435,032,832
  5. Step 5: Solve for x
    x = 305,769,861,435,032,832/506,768,666.51
  6. Step 6: Final answer
    x = 603,371,679.52

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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.