Finding the Fourth Proportional to 1,076,804,857.92, 1,615,207,199.40 and 340,391,977.68
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Solution
The fourth proportional to 1,076,804,857.92, 1,615,207,199.40 and 340,391,977.68 is: 510,587,938.87
Step by Step Solution
- Step 1: Write the proportion equation
1,076,804,857.92 : 1,615,207,199.40 = 340,391,977.68 : x - Step 2: Convert to fraction form
1,076,804,857.92/1,615,207,199.40 = 340,391,977.68/x - Step 3: Cross multiply
1,076,804,857.92x = 1,615,207,199.40 × 340,391,977.68 - Step 4: Simplify right side
1,076,804,857.92x = 549,803,572,966,740,160 - Step 5: Solve for x
x = 549,803,572,966,740,160/1,076,804,857.92 - Step 6: Final answer
x = 510,587,938.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.