Finding the Fourth Proportional to 1,585,284,430.80, 2,377,926,646.20 and 549,801,166.80
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Solution
The fourth proportional to 1,585,284,430.80, 2,377,926,646.20 and 549,801,166.80 is: 824,701,750.20
Step by Step Solution
- Step 1: Write the proportion equation
1,585,284,430.80 : 2,377,926,646.20 = 549,801,166.80 : x - Step 2: Convert to fraction form
1,585,284,430.80/2,377,926,646.20 = 549,801,166.80/x - Step 3: Cross multiply
1,585,284,430.80x = 2,377,926,646.20 × 549,801,166.80 - Step 4: Simplify right side
1,585,284,430.80x = 1,307,386,844,645,570,560 - Step 5: Solve for x
x = 1,307,386,844,645,570,560/1,585,284,430.80 - Step 6: Final answer
x = 824,701,750.20
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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.