Home / 809,502,040.64-1,117,113,176.76-438,224,060

Finding the Fourth Proportional to 809,502,040.64, 1,117,113,176.76 and 438,224,060

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Solution

The fourth proportional to 809,502,040.64, 1,117,113,176.76 and 438,224,060 is: 604,749,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,502,040.64 : 1,117,113,176.76 = 438,224,060 : x
  2. Step 2: Convert to fraction form
    809,502,040.64/1,117,113,176.76 = 438,224,060/x
  3. Step 3: Cross multiply
    809,502,040.64x = 1,117,113,176.76 × 438,224,060
  4. Step 4: Simplify right side
    809,502,040.64x = 489,545,871,799,264,832
  5. Step 5: Solve for x
    x = 489,545,871,799,264,832/809,502,040.64
  6. Step 6: Final answer
    x = 604,749,398.05

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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.