Home / 1,209,153,957,344.10-1,813,737,716,820.60-403,318,685,695.40

Finding the Fourth Proportional to 1,209,153,957,344.10, 1,813,737,716,820.60 and 403,318,685,695.40

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Solution

The fourth proportional to 1,209,153,957,344.10, 1,813,737,716,820.60 and 403,318,685,695.40 is: 604,980,290,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,153,957,344.10 : 1,813,737,716,820.60 = 403,318,685,695.40 : x
  2. Step 2: Convert to fraction form
    1,209,153,957,344.10/1,813,737,716,820.60 = 403,318,685,695.40/x
  3. Step 3: Cross multiply
    1,209,153,957,344.10x = 1,813,737,716,820.60 × 403,318,685,695.40
  4. Step 4: Simplify right side
    1,209,153,957,344.10x = 731,514,312,144,260,106,813,440
  5. Step 5: Solve for x
    x = 731,514,312,144,260,106,813,440/1,209,153,957,344.10
  6. Step 6: Final answer
    x = 604,980,290,310.61

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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.