Home / 1,404,103,698.45-2,106,155,547.68-678,509,586.45

Finding the Fourth Proportional to 1,404,103,698.45, 2,106,155,547.68 and 678,509,586.45

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Solution

The fourth proportional to 1,404,103,698.45, 2,106,155,547.68 and 678,509,586.45 is: 1,017,764,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,103,698.45 : 2,106,155,547.68 = 678,509,586.45 : x
  2. Step 2: Convert to fraction form
    1,404,103,698.45/2,106,155,547.68 = 678,509,586.45/x
  3. Step 3: Cross multiply
    1,404,103,698.45x = 2,106,155,547.68 × 678,509,586.45
  4. Step 4: Simplify right side
    1,404,103,698.45x = 1,429,046,729,652,337,664
  5. Step 5: Solve for x
    x = 1,429,046,729,652,337,664/1,404,103,698.45
  6. Step 6: Final answer
    x = 1,017,764,379.68

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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.