Home / 530,830,919.12-732,860,902.06-471,930,897.86

Finding the Fourth Proportional to 530,830,919.12, 732,860,902.06 and 471,930,897.86

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Solution

The fourth proportional to 530,830,919.12, 732,860,902.06 and 471,930,897.86 is: 651,544,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,830,919.12 : 732,860,902.06 = 471,930,897.86 : x
  2. Step 2: Convert to fraction form
    530,830,919.12/732,860,902.06 = 471,930,897.86/x
  3. Step 3: Cross multiply
    530,830,919.12x = 732,860,902.06 × 471,930,897.86
  4. Step 4: Simplify right side
    530,830,919.12x = 345,859,703,515,665,280
  5. Step 5: Solve for x
    x = 345,859,703,515,665,280/530,830,919.12
  6. Step 6: Final answer
    x = 651,544,005.93

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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.