Home / 402,845,221,795.44-556,177,295,927.70-256,440,290,221.20

Finding the Fourth Proportional to 402,845,221,795.44, 556,177,295,927.70 and 256,440,290,221.20

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Solution

The fourth proportional to 402,845,221,795.44, 556,177,295,927.70 and 256,440,290,221.20 is: 354,047,310,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,845,221,795.44 : 556,177,295,927.70 = 256,440,290,221.20 : x
  2. Step 2: Convert to fraction form
    402,845,221,795.44/556,177,295,927.70 = 256,440,290,221.20/x
  3. Step 3: Cross multiply
    402,845,221,795.44x = 556,177,295,927.70 × 256,440,290,221.20
  4. Step 4: Simplify right side
    402,845,221,795.44x = 142,626,267,182,141,622,190,080
  5. Step 5: Solve for x
    x = 142,626,267,182,141,622,190,080/402,845,221,795.44
  6. Step 6: Final answer
    x = 354,047,310,146.74

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1.5x scale

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.