Home / 1,389,828,130.05-2,084,740,434.54-354,689,034.24

Finding the Fourth Proportional to 1,389,828,130.05, 2,084,740,434.54 and 354,689,034.24

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Solution

The fourth proportional to 1,389,828,130.05, 2,084,740,434.54 and 354,689,034.24 is: 532,033,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,828,130.05 : 2,084,740,434.54 = 354,689,034.24 : x
  2. Step 2: Convert to fraction form
    1,389,828,130.05/2,084,740,434.54 = 354,689,034.24/x
  3. Step 3: Cross multiply
    1,389,828,130.05x = 2,084,740,434.54 × 354,689,034.24
  4. Step 4: Simplify right side
    1,389,828,130.05x = 739,434,571,368,070,528
  5. Step 5: Solve for x
    x = 739,434,571,368,070,528/1,389,828,130.05
  6. Step 6: Final answer
    x = 532,033,102.07

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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.