Finding the Fourth Proportional to 750,482,963.91, 1,125,718,777.71 and 225,849,807.18
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Solution
The fourth proportional to 750,482,963.91, 1,125,718,777.71 and 225,849,807.18 is: 338,773,005.00
Step by Step Solution
- Step 1: Write the proportion equation
750,482,963.91 : 1,125,718,777.71 = 225,849,807.18 : x - Step 2: Convert to fraction form
750,482,963.91/1,125,718,777.71 = 225,849,807.18/x - Step 3: Cross multiply
750,482,963.91x = 1,125,718,777.71 × 225,849,807.18 - Step 4: Simplify right side
750,482,963.91x = 254,243,368,884,708,800 - Step 5: Solve for x
x = 254,243,368,884,708,800/750,482,963.91 - Step 6: Final answer
x = 338,773,005.00
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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.