Home / 934,871,105.34-1,290,083,368.05-511,482,689.46

Finding the Fourth Proportional to 934,871,105.34, 1,290,083,368.05 and 511,482,689.46

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Solution

The fourth proportional to 934,871,105.34, 1,290,083,368.05 and 511,482,689.46 is: 705,824,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,871,105.34 : 1,290,083,368.05 = 511,482,689.46 : x
  2. Step 2: Convert to fraction form
    934,871,105.34/1,290,083,368.05 = 511,482,689.46/x
  3. Step 3: Cross multiply
    934,871,105.34x = 1,290,083,368.05 × 511,482,689.46
  4. Step 4: Simplify right side
    934,871,105.34x = 659,855,310,717,828,992
  5. Step 5: Solve for x
    x = 659,855,310,717,828,992/934,871,105.34
  6. Step 6: Final answer
    x = 705,824,906.72

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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.