Home / 530,830,892.51-732,860,865.38-471,930,871.28

Finding the Fourth Proportional to 530,830,892.51, 732,860,865.38 and 471,930,871.28

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Solution

The fourth proportional to 530,830,892.51, 732,860,865.38 and 471,930,871.28 is: 651,543,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,830,892.51 : 732,860,865.38 = 471,930,871.28 : x
  2. Step 2: Convert to fraction form
    530,830,892.51/732,860,865.38 = 471,930,871.28/x
  3. Step 3: Cross multiply
    530,830,892.51x = 732,860,865.38 × 471,930,871.28
  4. Step 4: Simplify right side
    530,830,892.51x = 345,859,666,725,270,720
  5. Step 5: Solve for x
    x = 345,859,666,725,270,720/530,830,892.51
  6. Step 6: Final answer
    x = 651,543,969.29

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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.