Finding the Fourth Proportional to 2,079,698,177.53, 2,870,291,515.50 and 1,316,813,154.99
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Solution
The fourth proportional to 2,079,698,177.53, 2,870,291,515.50 and 1,316,813,154.99 is: 1,817,397,191.14
Step by Step Solution
- Step 1: Write the proportion equation
2,079,698,177.53 : 2,870,291,515.50 = 1,316,813,154.99 : x - Step 2: Convert to fraction form
2,079,698,177.53/2,870,291,515.50 = 1,316,813,154.99/x - Step 3: Cross multiply
2,079,698,177.53x = 2,870,291,515.50 × 1,316,813,154.99 - Step 4: Simplify right side
2,079,698,177.53x = 3,779,637,626,260,445,184 - Step 5: Solve for x
x = 3,779,637,626,260,445,184/2,079,698,177.53 - Step 6: Final answer
x = 1,817,397,191.14
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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.