Finding the Fourth Proportional to 1,069,681,475.04, 1,475,617,163.58 and 698,620,708.32
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Solution
The fourth proportional to 1,069,681,475.04, 1,475,617,163.58 and 698,620,708.32 is: 963,741,760.59
Step by Step Solution
- Step 1: Write the proportion equation
1,069,681,475.04 : 1,475,617,163.58 = 698,620,708.32 : x - Step 2: Convert to fraction form
1,069,681,475.04/1,475,617,163.58 = 698,620,708.32/x - Step 3: Cross multiply
1,069,681,475.04x = 1,475,617,163.58 × 698,620,708.32 - Step 4: Simplify right side
1,069,681,475.04x = 1,030,896,708,029,408,896 - Step 5: Solve for x
x = 1,030,896,708,029,408,896/1,069,681,475.04 - Step 6: Final answer
x = 963,741,760.59
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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.