Home / 914,360,392.26-1,261,816,381.35-496,673,004.78

Finding the Fourth Proportional to 914,360,392.26, 1,261,816,381.35 and 496,673,004.78

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Solution

The fourth proportional to 914,360,392.26, 1,261,816,381.35 and 496,673,004.78 is: 685,408,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,360,392.26 : 1,261,816,381.35 = 496,673,004.78 : x
  2. Step 2: Convert to fraction form
    914,360,392.26/1,261,816,381.35 = 496,673,004.78/x
  3. Step 3: Cross multiply
    914,360,392.26x = 1,261,816,381.35 × 496,673,004.78
  4. Step 4: Simplify right side
    914,360,392.26x = 626,710,133,605,730,816
  5. Step 5: Solve for x
    x = 626,710,133,605,730,816/914,360,392.26
  6. Step 6: Final answer
    x = 685,408,225.15

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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.