Finding the Fourth Proportional to 2,832,886,703.90, 4,249,330,055.85 and 992,400,232.70
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Solution
The fourth proportional to 2,832,886,703.90, 4,249,330,055.85 and 992,400,232.70 is: 1,488,600,349.05
Step by Step Solution
- Step 1: Write the proportion equation
2,832,886,703.90 : 4,249,330,055.85 = 992,400,232.70 : x - Step 2: Convert to fraction form
2,832,886,703.90/4,249,330,055.85 = 992,400,232.70/x - Step 3: Cross multiply
2,832,886,703.90x = 4,249,330,055.85 × 992,400,232.70 - Step 4: Simplify right side
2,832,886,703.90x = 4,217,036,136,244,644,352 - Step 5: Solve for x
x = 4,217,036,136,244,644,352/2,832,886,703.90 - Step 6: Final answer
x = 1,488,600,349.05
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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.