Home / 1,409,752,413.36-1,945,490,732.64-774,712,386.90

Finding the Fourth Proportional to 1,409,752,413.36, 1,945,490,732.64 and 774,712,386.90

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Solution

The fourth proportional to 1,409,752,413.36, 1,945,490,732.64 and 774,712,386.90 is: 1,069,120,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,752,413.36 : 1,945,490,732.64 = 774,712,386.90 : x
  2. Step 2: Convert to fraction form
    1,409,752,413.36/1,945,490,732.64 = 774,712,386.90/x
  3. Step 3: Cross multiply
    1,409,752,413.36x = 1,945,490,732.64 × 774,712,386.90
  4. Step 4: Simplify right side
    1,409,752,413.36x = 1,507,195,769,175,364,096
  5. Step 5: Solve for x
    x = 1,507,195,769,175,364,096/1,409,752,413.36
  6. Step 6: Final answer
    x = 1,069,120,900.16

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Double scale
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1.5x scale

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.