Home / 839,756,062.19-1,158,863,864.69-468,478,093.97

Finding the Fourth Proportional to 839,756,062.19, 1,158,863,864.69 and 468,478,093.97

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Solution

The fourth proportional to 839,756,062.19, 1,158,863,864.69 and 468,478,093.97 is: 646,500,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,756,062.19 : 1,158,863,864.69 = 468,478,093.97 : x
  2. Step 2: Convert to fraction form
    839,756,062.19/1,158,863,864.69 = 468,478,093.97/x
  3. Step 3: Cross multiply
    839,756,062.19x = 1,158,863,864.69 × 468,478,093.97
  4. Step 4: Simplify right side
    839,756,062.19x = 542,902,334,500,679,232
  5. Step 5: Solve for x
    x = 542,902,334,500,679,232/839,756,062.19
  6. Step 6: Final answer
    x = 646,500,047.98

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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.