Home / 804,588,776.65-1,206,883,164.98-396,442,088.65

Finding the Fourth Proportional to 804,588,776.65, 1,206,883,164.98 and 396,442,088.65

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Solution

The fourth proportional to 804,588,776.65, 1,206,883,164.98 and 396,442,088.65 is: 594,663,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,588,776.65 : 1,206,883,164.98 = 396,442,088.65 : x
  2. Step 2: Convert to fraction form
    804,588,776.65/1,206,883,164.98 = 396,442,088.65/x
  3. Step 3: Cross multiply
    804,588,776.65x = 1,206,883,164.98 × 396,442,088.65
  4. Step 4: Simplify right side
    804,588,776.65x = 478,459,282,681,193,728
  5. Step 5: Solve for x
    x = 478,459,282,681,193,728/804,588,776.65
  6. Step 6: Final answer
    x = 594,663,132.98

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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.