Home / 1,379,282,695.80-2,069,931,813.30-971,136,007.80

Finding the Fourth Proportional to 1,379,282,695.80, 2,069,931,813.30 and 971,136,007.80

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Solution

The fourth proportional to 1,379,282,695.80, 2,069,931,813.30 and 971,136,007.80 is: 1,457,413,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,282,695.80 : 2,069,931,813.30 = 971,136,007.80 : x
  2. Step 2: Convert to fraction form
    1,379,282,695.80/2,069,931,813.30 = 971,136,007.80/x
  3. Step 3: Cross multiply
    1,379,282,695.80x = 2,069,931,813.30 × 971,136,007.80
  4. Step 4: Simplify right side
    1,379,282,695.80x = 2,010,185,317,586,376,704
  5. Step 5: Solve for x
    x = 2,010,185,317,586,376,704/1,379,282,695.80
  6. Step 6: Final answer
    x = 1,457,413,569.90

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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.