Home / 765,064,084.83-1,147,592,275.21-298,772,859.12

Finding the Fourth Proportional to 765,064,084.83, 1,147,592,275.21 and 298,772,859.12

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Solution

The fourth proportional to 765,064,084.83, 1,147,592,275.21 and 298,772,859.12 is: 448,157,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,064,084.83 : 1,147,592,275.21 = 298,772,859.12 : x
  2. Step 2: Convert to fraction form
    765,064,084.83/1,147,592,275.21 = 298,772,859.12/x
  3. Step 3: Cross multiply
    765,064,084.83x = 1,147,592,275.21 × 298,772,859.12
  4. Step 4: Simplify right side
    765,064,084.83x = 342,869,425,168,517,632
  5. Step 5: Solve for x
    x = 342,869,425,168,517,632/765,064,084.83
  6. Step 6: Final answer
    x = 448,157,784.38

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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.