Home / 1,347,897,661.40-2,017,815,413.70-802,358,384.60

Finding the Fourth Proportional to 1,347,897,661.40, 2,017,815,413.70 and 802,358,384.60

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Solution

The fourth proportional to 1,347,897,661.40, 2,017,815,413.70 and 802,358,384.60 is: 1,201,138,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,897,661.40 : 2,017,815,413.70 = 802,358,384.60 : x
  2. Step 2: Convert to fraction form
    1,347,897,661.40/2,017,815,413.70 = 802,358,384.60/x
  3. Step 3: Cross multiply
    1,347,897,661.40x = 2,017,815,413.70 × 802,358,384.60
  4. Step 4: Simplify right side
    1,347,897,661.40x = 1,619,011,115,757,312,768
  5. Step 5: Solve for x
    x = 1,619,011,115,757,312,768/1,347,897,661.40
  6. Step 6: Final answer
    x = 1,201,138,010.79

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1.5x scale

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.