Finding the Fourth Proportional to 495,441,394.10, 683,074,437.53 and 405,803,116.08
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Solution
The fourth proportional to 495,441,394.10, 683,074,437.53 and 405,803,116.08 is: 559,488,445.18
Step by Step Solution
- Step 1: Write the proportion equation
495,441,394.10 : 683,074,437.53 = 405,803,116.08 : x - Step 2: Convert to fraction form
495,441,394.10/683,074,437.53 = 405,803,116.08/x - Step 3: Cross multiply
495,441,394.10x = 683,074,437.53 × 405,803,116.08 - Step 4: Simplify right side
495,441,394.10x = 277,193,735,265,281,792 - Step 5: Solve for x
x = 277,193,735,265,281,792/495,441,394.10 - Step 6: Final answer
x = 559,488,445.18
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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.