Home / 1,491,521,186.81-2,237,661,802.08-442,297,718.87

Finding the Fourth Proportional to 1,491,521,186.81, 2,237,661,802.08 and 442,297,718.87

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Solution

The fourth proportional to 1,491,521,186.81, 2,237,661,802.08 and 442,297,718.87 is: 663,559,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,521,186.81 : 2,237,661,802.08 = 442,297,718.87 : x
  2. Step 2: Convert to fraction form
    1,491,521,186.81/2,237,661,802.08 = 442,297,718.87/x
  3. Step 3: Cross multiply
    1,491,521,186.81x = 2,237,661,802.08 × 442,297,718.87
  4. Step 4: Simplify right side
    1,491,521,186.81x = 989,712,710,651,329,152
  5. Step 5: Solve for x
    x = 989,712,710,651,329,152/1,491,521,186.81
  6. Step 6: Final answer
    x = 663,559,270.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.