Home / 1,239,062,855.49-1,710,030,259.35-925,252,259.40

Finding the Fourth Proportional to 1,239,062,855.49, 1,710,030,259.35 and 925,252,259.40

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Solution

The fourth proportional to 1,239,062,855.49, 1,710,030,259.35 and 925,252,259.40 is: 1,276,940,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,062,855.49 : 1,710,030,259.35 = 925,252,259.40 : x
  2. Step 2: Convert to fraction form
    1,239,062,855.49/1,710,030,259.35 = 925,252,259.40/x
  3. Step 3: Cross multiply
    1,239,062,855.49x = 1,710,030,259.35 × 925,252,259.40
  4. Step 4: Simplify right side
    1,239,062,855.49x = 1,582,209,361,105,955,328
  5. Step 5: Solve for x
    x = 1,582,209,361,105,955,328/1,239,062,855.49
  6. Step 6: Final answer
    x = 1,276,940,353.83

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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.