Finding the Fourth Proportional to 1,069,681,295.04, 1,475,616,915.36 and 698,620,528.32
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Solution
The fourth proportional to 1,069,681,295.04, 1,475,616,915.36 and 698,620,528.32 is: 963,741,512.34
Step by Step Solution
- Step 1: Write the proportion equation
1,069,681,295.04 : 1,475,616,915.36 = 698,620,528.32 : x - Step 2: Convert to fraction form
1,069,681,295.04/1,475,616,915.36 = 698,620,528.32/x - Step 3: Cross multiply
1,069,681,295.04x = 1,475,616,915.36 × 698,620,528.32 - Step 4: Simplify right side
1,069,681,295.04x = 1,030,896,269,006,731,904 - Step 5: Solve for x
x = 1,030,896,269,006,731,904/1,069,681,295.04 - Step 6: Final answer
x = 963,741,512.34
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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.