Home / 804,013,079.20-1,206,019,618.80-528,514,064.80

Finding the Fourth Proportional to 804,013,079.20, 1,206,019,618.80 and 528,514,064.80

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Solution

The fourth proportional to 804,013,079.20, 1,206,019,618.80 and 528,514,064.80 is: 792,771,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,013,079.20 : 1,206,019,618.80 = 528,514,064.80 : x
  2. Step 2: Convert to fraction form
    804,013,079.20/1,206,019,618.80 = 528,514,064.80/x
  3. Step 3: Cross multiply
    804,013,079.20x = 1,206,019,618.80 × 528,514,064.80
  4. Step 4: Simplify right side
    804,013,079.20x = 637,398,330,960,534,528
  5. Step 5: Solve for x
    x = 637,398,330,960,534,528/804,013,079.20
  6. Step 6: Final answer
    x = 792,771,097.20

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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.