Home / 958,990,175.80-1,323,406,392.06-518,957,027.80

Finding the Fourth Proportional to 958,990,175.80, 1,323,406,392.06 and 518,957,027.80

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Solution

The fourth proportional to 958,990,175.80, 1,323,406,392.06 and 518,957,027.80 is: 716,160,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,990,175.80 : 1,323,406,392.06 = 518,957,027.80 : x
  2. Step 2: Convert to fraction form
    958,990,175.80/1,323,406,392.06 = 518,957,027.80/x
  3. Step 3: Cross multiply
    958,990,175.80x = 1,323,406,392.06 × 518,957,027.80
  4. Step 4: Simplify right side
    958,990,175.80x = 686,791,047,794,979,072
  5. Step 5: Solve for x
    x = 686,791,047,794,979,072/958,990,175.80
  6. Step 6: Final answer
    x = 716,160,671.01

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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.