Finding the Fourth Proportional to 684,240,848.08, 944,272,289.99 and 386,876,705.83
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Solution
The fourth proportional to 684,240,848.08, 944,272,289.99 and 386,876,705.83 is: 533,901,116.81
Step by Step Solution
- Step 1: Write the proportion equation
684,240,848.08 : 944,272,289.99 = 386,876,705.83 : x - Step 2: Convert to fraction form
684,240,848.08/944,272,289.99 = 386,876,705.83/x - Step 3: Cross multiply
684,240,848.08x = 944,272,289.99 × 386,876,705.83 - Step 4: Simplify right side
684,240,848.08x = 365,316,952,956,488,192 - Step 5: Solve for x
x = 365,316,952,956,488,192/684,240,848.08 - Step 6: Final answer
x = 533,901,116.81
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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.