Home / 530,706,421.08-732,429,342.90-319,082,186.25

Finding the Fourth Proportional to 530,706,421.08, 732,429,342.90 and 319,082,186.25

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Solution

The fourth proportional to 530,706,421.08, 732,429,342.90 and 319,082,186.25 is: 440,366,173.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,706,421.08 : 732,429,342.90 = 319,082,186.25 : x
  2. Step 2: Convert to fraction form
    530,706,421.08/732,429,342.90 = 319,082,186.25/x
  3. Step 3: Cross multiply
    530,706,421.08x = 732,429,342.90 × 319,082,186.25
  4. Step 4: Simplify right side
    530,706,421.08x = 233,705,156,006,182,912
  5. Step 5: Solve for x
    x = 233,705,156,006,182,912/530,706,421.08
  6. Step 6: Final answer
    x = 440,366,173.69

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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.