Home / 919,537,892,328.40-1,379,306,838,492.60-543,389,904,667.60

Finding the Fourth Proportional to 919,537,892,328.40, 1,379,306,838,492.60 and 543,389,904,667.60

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Solution

The fourth proportional to 919,537,892,328.40, 1,379,306,838,492.60 and 543,389,904,667.60 is: 815,084,857,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,537,892,328.40 : 1,379,306,838,492.60 = 543,389,904,667.60 : x
  2. Step 2: Convert to fraction form
    919,537,892,328.40/1,379,306,838,492.60 = 543,389,904,667.60/x
  3. Step 3: Cross multiply
    919,537,892,328.40x = 1,379,306,838,492.60 × 543,389,904,667.60
  4. Step 4: Simplify right side
    919,537,892,328.40x = 749,501,411,475,862,721,658,880
  5. Step 5: Solve for x
    x = 749,501,411,475,862,721,658,880/919,537,892,328.40
  6. Step 6: Final answer
    x = 815,084,857,001.40

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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.