Home / 1,209,153,957,329.20-1,813,737,716,798.40-403,318,685,680.46

Finding the Fourth Proportional to 1,209,153,957,329.20, 1,813,737,716,798.40 and 403,318,685,680.46

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Solution

The fourth proportional to 1,209,153,957,329.20, 1,813,737,716,798.40 and 403,318,685,680.46 is: 604,980,290,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,153,957,329.20 : 1,813,737,716,798.40 = 403,318,685,680.46 : x
  2. Step 2: Convert to fraction form
    1,209,153,957,329.20/1,813,737,716,798.40 = 403,318,685,680.46/x
  3. Step 3: Cross multiply
    1,209,153,957,329.20x = 1,813,737,716,798.40 × 403,318,685,680.46
  4. Step 4: Simplify right side
    1,209,153,957,329.20x = 731,514,312,108,209,090,854,912
  5. Step 5: Solve for x
    x = 731,514,312,108,209,090,854,912/1,209,153,957,329.20
  6. Step 6: Final answer
    x = 604,980,290,288.25

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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.