Finding the Fourth Proportional to 1,691,593,192.08, 2,334,363,430.14 and 938,862,210.06
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Solution
The fourth proportional to 1,691,593,192.08, 2,334,363,430.14 and 938,862,210.06 is: 1,295,610,327.21
Step by Step Solution
- Step 1: Write the proportion equation
1,691,593,192.08 : 2,334,363,430.14 = 938,862,210.06 : x - Step 2: Convert to fraction form
1,691,593,192.08/2,334,363,430.14 = 938,862,210.06/x - Step 3: Cross multiply
1,691,593,192.08x = 2,334,363,430.14 × 938,862,210.06 - Step 4: Simplify right side
1,691,593,192.08x = 2,191,645,609,104,482,560 - Step 5: Solve for x
x = 2,191,645,609,104,482,560/1,691,593,192.08 - Step 6: Final answer
x = 1,295,610,327.21
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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.