Finding the Fourth Proportional to 2,121,746,562.84, 2,927,878,328.22 and 1,169,073,988.08
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Solution
The fourth proportional to 2,121,746,562.84, 2,927,878,328.22 and 1,169,073,988.08 is: 1,613,249,411.47
Step by Step Solution
- Step 1: Write the proportion equation
2,121,746,562.84 : 2,927,878,328.22 = 1,169,073,988.08 : x - Step 2: Convert to fraction form
2,121,746,562.84/2,927,878,328.22 = 1,169,073,988.08/x - Step 3: Cross multiply
2,121,746,562.84x = 2,927,878,328.22 × 1,169,073,988.08 - Step 4: Simplify right side
2,121,746,562.84x = 3,422,906,393,785,158,144 - Step 5: Solve for x
x = 3,422,906,393,785,158,144/2,121,746,562.84 - Step 6: Final answer
x = 1,613,249,411.47
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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.