Home / 879,799,717.23-1,214,136,045.36-483,359,345.85

Finding the Fourth Proportional to 879,799,717.23, 1,214,136,045.36 and 483,359,345.85

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Solution

The fourth proportional to 879,799,717.23, 1,214,136,045.36 and 483,359,345.85 is: 667,042,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,799,717.23 : 1,214,136,045.36 = 483,359,345.85 : x
  2. Step 2: Convert to fraction form
    879,799,717.23/1,214,136,045.36 = 483,359,345.85/x
  3. Step 3: Cross multiply
    879,799,717.23x = 1,214,136,045.36 × 483,359,345.85
  4. Step 4: Simplify right side
    879,799,717.23x = 586,864,004,658,115,456
  5. Step 5: Solve for x
    x = 586,864,004,658,115,456/879,799,717.23
  6. Step 6: Final answer
    x = 667,042,729.35

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Double scale
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1.5x scale

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.