Finding the Fourth Proportional to 2,869,975,435.68, 3,960,566,061.84 and 1,549,875,952.80
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Solution
The fourth proportional to 2,869,975,435.68, 3,960,566,061.84 and 1,549,875,952.80 is: 2,138,828,793.59
Step by Step Solution
- Step 1: Write the proportion equation
2,869,975,435.68 : 3,960,566,061.84 = 1,549,875,952.80 : x - Step 2: Convert to fraction form
2,869,975,435.68/3,960,566,061.84 = 1,549,875,952.80/x - Step 3: Cross multiply
2,869,975,435.68x = 3,960,566,061.84 × 1,549,875,952.80 - Step 4: Simplify right side
2,869,975,435.68x = 6,138,386,098,721,613,824 - Step 5: Solve for x
x = 6,138,386,098,721,613,824/2,869,975,435.68 - Step 6: Final answer
x = 2,138,828,793.59
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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.