Home / 559,318,714.84-771,905,779.14-308,472,169.60

Finding the Fourth Proportional to 559,318,714.84, 771,905,779.14 and 308,472,169.60

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Solution

The fourth proportional to 559,318,714.84, 771,905,779.14 and 308,472,169.60 is: 425,716,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,318,714.84 : 771,905,779.14 = 308,472,169.60 : x
  2. Step 2: Convert to fraction form
    559,318,714.84/771,905,779.14 = 308,472,169.60/x
  3. Step 3: Cross multiply
    559,318,714.84x = 771,905,779.14 × 308,472,169.60
  4. Step 4: Simplify right side
    559,318,714.84x = 238,111,450,418,094,240
  5. Step 5: Solve for x
    x = 238,111,450,418,094,240/559,318,714.84
  6. Step 6: Final answer
    x = 425,716,937.59

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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.