Home / 770,740,720.16-1,063,439,895.82-436,213,242.48

Finding the Fourth Proportional to 770,740,720.16, 1,063,439,895.82 and 436,213,242.48

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Solution

The fourth proportional to 770,740,720.16, 1,063,439,895.82 and 436,213,242.48 is: 601,871,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,740,720.16 : 1,063,439,895.82 = 436,213,242.48 : x
  2. Step 2: Convert to fraction form
    770,740,720.16/1,063,439,895.82 = 436,213,242.48/x
  3. Step 3: Cross multiply
    770,740,720.16x = 1,063,439,895.82 × 436,213,242.48
  4. Step 4: Simplify right side
    770,740,720.16x = 463,886,565,136,054,592
  5. Step 5: Solve for x
    x = 463,886,565,136,054,592/770,740,720.16
  6. Step 6: Final answer
    x = 601,871,100.10

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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.