Finding the Fourth Proportional to 1,779,346,256.13, 2,455,403,986.03 and 1,016,240,302.47
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Solution
The fourth proportional to 1,779,346,256.13, 2,455,403,986.03 and 1,016,240,302.47 is: 1,402,358,018.20
Step by Step Solution
- Step 1: Write the proportion equation
1,779,346,256.13 : 2,455,403,986.03 = 1,016,240,302.47 : x - Step 2: Convert to fraction form
1,779,346,256.13/2,455,403,986.03 = 1,016,240,302.47/x - Step 3: Cross multiply
1,779,346,256.13x = 2,455,403,986.03 × 1,016,240,302.47 - Step 4: Simplify right side
1,779,346,256.13x = 2,495,280,489,436,894,208 - Step 5: Solve for x
x = 2,495,280,489,436,894,208/1,779,346,256.13 - Step 6: Final answer
x = 1,402,358,018.20
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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.