Home / 912,528,036.40-1,368,792,054.60-880,279,409.20

Finding the Fourth Proportional to 912,528,036.40, 1,368,792,054.60 and 880,279,409.20

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Solution

The fourth proportional to 912,528,036.40, 1,368,792,054.60 and 880,279,409.20 is: 1,320,419,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,528,036.40 : 1,368,792,054.60 = 880,279,409.20 : x
  2. Step 2: Convert to fraction form
    912,528,036.40/1,368,792,054.60 = 880,279,409.20/x
  3. Step 3: Cross multiply
    912,528,036.40x = 1,368,792,054.60 × 880,279,409.20
  4. Step 4: Simplify right side
    912,528,036.40x = 1,204,919,461,140,942,080
  5. Step 5: Solve for x
    x = 1,204,919,461,140,942,080/912,528,036.40
  6. Step 6: Final answer
    x = 1,320,419,113.80

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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.