Home / 1,209,153,957,345.10-1,813,737,716,822.10-403,318,685,696.40

Finding the Fourth Proportional to 1,209,153,957,345.10, 1,813,737,716,822.10 and 403,318,685,696.40

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Solution

The fourth proportional to 1,209,153,957,345.10, 1,813,737,716,822.10 and 403,318,685,696.40 is: 604,980,290,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,153,957,345.10 : 1,813,737,716,822.10 = 403,318,685,696.40 : x
  2. Step 2: Convert to fraction form
    1,209,153,957,345.10/1,813,737,716,822.10 = 403,318,685,696.40/x
  3. Step 3: Cross multiply
    1,209,153,957,345.10x = 1,813,737,716,822.10 × 403,318,685,696.40
  4. Step 4: Simplify right side
    1,209,153,957,345.10x = 731,514,312,146,678,844,489,728
  5. Step 5: Solve for x
    x = 731,514,312,146,678,844,489,728/1,209,153,957,345.10
  6. Step 6: Final answer
    x = 604,980,290,312.11

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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.