Home / 1,389,828,130.16-2,084,740,434.72-354,689,034.32

Finding the Fourth Proportional to 1,389,828,130.16, 2,084,740,434.72 and 354,689,034.32

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Solution

The fourth proportional to 1,389,828,130.16, 2,084,740,434.72 and 354,689,034.32 is: 532,033,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,828,130.16 : 2,084,740,434.72 = 354,689,034.32 : x
  2. Step 2: Convert to fraction form
    1,389,828,130.16/2,084,740,434.72 = 354,689,034.32/x
  3. Step 3: Cross multiply
    1,389,828,130.16x = 2,084,740,434.72 × 354,689,034.32
  4. Step 4: Simplify right side
    1,389,828,130.16x = 739,434,571,598,693,760
  5. Step 5: Solve for x
    x = 739,434,571,598,693,760/1,389,828,130.16
  6. Step 6: Final answer
    x = 532,033,102.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.