Finding the Fourth Proportional to 898,152,431.30, 1,347,228,646.95 and 553,495,228.10
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Solution
The fourth proportional to 898,152,431.30, 1,347,228,646.95 and 553,495,228.10 is: 830,242,842.15
Step by Step Solution
- Step 1: Write the proportion equation
898,152,431.30 : 1,347,228,646.95 = 553,495,228.10 : x - Step 2: Convert to fraction form
898,152,431.30/1,347,228,646.95 = 553,495,228.10/x - Step 3: Cross multiply
898,152,431.30x = 1,347,228,646.95 × 553,495,228.10 - Step 4: Simplify right side
898,152,431.30x = 745,684,627,246,444,672 - Step 5: Solve for x
x = 745,684,627,246,444,672/898,152,431.30 - Step 6: Final answer
x = 830,242,842.15
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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.