Home / 852,979,131.93-1,177,088,622.23-476,638,812.17

Finding the Fourth Proportional to 852,979,131.93, 1,177,088,622.23 and 476,638,812.17

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Solution

The fourth proportional to 852,979,131.93, 1,177,088,622.23 and 476,638,812.17 is: 657,748,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,979,131.93 : 1,177,088,622.23 = 476,638,812.17 : x
  2. Step 2: Convert to fraction form
    852,979,131.93/1,177,088,622.23 = 476,638,812.17/x
  3. Step 3: Cross multiply
    852,979,131.93x = 1,177,088,622.23 × 476,638,812.17
  4. Step 4: Simplify right side
    852,979,131.93x = 561,046,122,721,545,152
  5. Step 5: Solve for x
    x = 561,046,122,721,545,152/852,979,131.93
  6. Step 6: Final answer
    x = 657,748,943.34

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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.