Home / 689,890,484.02-952,044,024.75-376,624,697.98

Finding the Fourth Proportional to 689,890,484.02, 952,044,024.75 and 376,624,697.98

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Solution

The fourth proportional to 689,890,484.02, 952,044,024.75 and 376,624,697.98 is: 519,739,439.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,890,484.02 : 952,044,024.75 = 376,624,697.98 : x
  2. Step 2: Convert to fraction form
    689,890,484.02/952,044,024.75 = 376,624,697.98/x
  3. Step 3: Cross multiply
    689,890,484.02x = 952,044,024.75 × 376,624,697.98
  4. Step 4: Simplify right side
    689,890,484.02x = 358,563,293,285,132,416
  5. Step 5: Solve for x
    x = 358,563,293,285,132,416/689,890,484.02
  6. Step 6: Final answer
    x = 519,739,439.22

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.