Finding the Fourth Proportional to 473,706,553.96, 653,514,870.18 and 317,124,109.36
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Solution
The fourth proportional to 473,706,553.96, 653,514,870.18 and 317,124,109.36 is: 437,497,263.71
Step by Step Solution
- Step 1: Write the proportion equation
473,706,553.96 : 653,514,870.18 = 317,124,109.36 : x - Step 2: Convert to fraction form
473,706,553.96/653,514,870.18 = 317,124,109.36/x - Step 3: Cross multiply
473,706,553.96x = 653,514,870.18 × 317,124,109.36 - Step 4: Simplify right side
473,706,553.96x = 207,245,321,159,348,512 - Step 5: Solve for x
x = 207,245,321,159,348,512/473,706,553.96 - Step 6: Final answer
x = 437,497,263.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.