Home / 989,828,999.10-1,485,700,092.45-602,408,510.10

Finding the Fourth Proportional to 989,828,999.10, 1,485,700,092.45 and 602,408,510.10

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Solution

The fourth proportional to 989,828,999.10, 1,485,700,092.45 and 602,408,510.10 is: 904,194,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,828,999.10 : 1,485,700,092.45 = 602,408,510.10 : x
  2. Step 2: Convert to fraction form
    989,828,999.10/1,485,700,092.45 = 602,408,510.10/x
  3. Step 3: Cross multiply
    989,828,999.10x = 1,485,700,092.45 × 602,408,510.10
  4. Step 4: Simplify right side
    989,828,999.10x = 894,998,379,148,236,800
  5. Step 5: Solve for x
    x = 894,998,379,148,236,800/989,828,999.10
  6. Step 6: Final answer
    x = 904,194,946.77

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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.