Home / 1,918,700,015.34-2,877,614,929.46-868,745,089.71

Finding the Fourth Proportional to 1,918,700,015.34, 2,877,614,929.46 and 868,745,089.71

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Solution

The fourth proportional to 1,918,700,015.34, 2,877,614,929.46 and 868,745,089.71 is: 1,302,920,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,700,015.34 : 2,877,614,929.46 = 868,745,089.71 : x
  2. Step 2: Convert to fraction form
    1,918,700,015.34/2,877,614,929.46 = 868,745,089.71/x
  3. Step 3: Cross multiply
    1,918,700,015.34x = 2,877,614,929.46 × 868,745,089.71
  4. Step 4: Simplify right side
    1,918,700,015.34x = 2,499,913,840,040,219,136
  5. Step 5: Solve for x
    x = 2,499,913,840,040,219,136/1,918,700,015.34
  6. Step 6: Final answer
    x = 1,302,920,633.79

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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.