Home / 1,246,309,875.40-1,710,901,288.49-1,069,791,419.56

Finding the Fourth Proportional to 1,246,309,875.40, 1,710,901,288.49 and 1,069,791,419.56

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Solution

The fourth proportional to 1,246,309,875.40, 1,710,901,288.49 and 1,069,791,419.56 is: 1,468,581,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,309,875.40 : 1,710,901,288.49 = 1,069,791,419.56 : x
  2. Step 2: Convert to fraction form
    1,246,309,875.40/1,710,901,288.49 = 1,069,791,419.56/x
  3. Step 3: Cross multiply
    1,246,309,875.40x = 1,710,901,288.49 × 1,069,791,419.56
  4. Step 4: Simplify right side
    1,246,309,875.40x = 1,830,307,518,140,750,080
  5. Step 5: Solve for x
    x = 1,830,307,518,140,750,080/1,246,309,875.40
  6. Step 6: Final answer
    x = 1,468,581,413.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.