Home / 1,209,153,957,339.60-1,813,737,716,813.80-403,318,685,690.91

Finding the Fourth Proportional to 1,209,153,957,339.60, 1,813,737,716,813.80 and 403,318,685,690.91

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Solution

The fourth proportional to 1,209,153,957,339.60, 1,813,737,716,813.80 and 403,318,685,690.91 is: 604,980,290,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,153,957,339.60 : 1,813,737,716,813.80 = 403,318,685,690.91 : x
  2. Step 2: Convert to fraction form
    1,209,153,957,339.60/1,813,737,716,813.80 = 403,318,685,690.91/x
  3. Step 3: Cross multiply
    1,209,153,957,339.60x = 1,813,737,716,813.80 × 403,318,685,690.91
  4. Step 4: Simplify right side
    1,209,153,957,339.60x = 731,514,312,133,373,706,895,360
  5. Step 5: Solve for x
    x = 731,514,312,133,373,706,895,360/1,209,153,957,339.60
  6. Step 6: Final answer
    x = 604,980,290,303.86

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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.