Home / 778,783,545,228.89-1,074,727,602,644.80-431,559,624,090.16

Finding the Fourth Proportional to 778,783,545,228.89, 1,074,727,602,644.80 and 431,559,624,090.16

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Solution

The fourth proportional to 778,783,545,228.89, 1,074,727,602,644.80 and 431,559,624,090.16 is: 595,555,778,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,783,545,228.89 : 1,074,727,602,644.80 = 431,559,624,090.16 : x
  2. Step 2: Convert to fraction form
    778,783,545,228.89/1,074,727,602,644.80 = 431,559,624,090.16/x
  3. Step 3: Cross multiply
    778,783,545,228.89x = 1,074,727,602,644.80 × 431,559,624,090.16
  4. Step 4: Simplify right side
    778,783,545,228.89x = 463,809,040,196,708,740,366,336
  5. Step 5: Solve for x
    x = 463,809,040,196,708,740,366,336/778,783,545,228.89
  6. Step 6: Final answer
    x = 595,555,778,031.23

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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.