Home / 501,118,364.07-691,559,068.56-289,421,262.00

Finding the Fourth Proportional to 501,118,364.07, 691,559,068.56 and 289,421,262.00

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Solution

The fourth proportional to 501,118,364.07, 691,559,068.56 and 289,421,262.00 is: 399,410,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,118,364.07 : 691,559,068.56 = 289,421,262.00 : x
  2. Step 2: Convert to fraction form
    501,118,364.07/691,559,068.56 = 289,421,262.00/x
  3. Step 3: Cross multiply
    501,118,364.07x = 691,559,068.56 × 289,421,262.00
  4. Step 4: Simplify right side
    501,118,364.07x = 200,151,898,366,721,920
  5. Step 5: Solve for x
    x = 200,151,898,366,721,920/501,118,364.07
  6. Step 6: Final answer
    x = 399,410,424.20

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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.