Home / 543,860,030.16-816,031,188.72-285,013,708.56

Finding the Fourth Proportional to 543,860,030.16, 816,031,188.72 and 285,013,708.56

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Solution

The fourth proportional to 543,860,030.16, 816,031,188.72 and 285,013,708.56 is: 427,646,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,860,030.16 : 816,031,188.72 = 285,013,708.56 : x
  2. Step 2: Convert to fraction form
    543,860,030.16/816,031,188.72 = 285,013,708.56/x
  3. Step 3: Cross multiply
    543,860,030.16x = 816,031,188.72 × 285,013,708.56
  4. Step 4: Simplify right side
    543,860,030.16x = 232,580,075,397,712,448
  5. Step 5: Solve for x
    x = 232,580,075,397,712,448/543,860,030.16
  6. Step 6: Final answer
    x = 427,646,935.79

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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.