Finding the Fourth Proportional to 1,408,495,323.15, 2,122,867,038.65 and 1,214,104,981.79
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Solution
The fourth proportional to 1,408,495,323.15, 2,122,867,038.65 and 1,214,104,981.79 is: 1,829,884,277.88
Step by Step Solution
- Step 1: Write the proportion equation
1,408,495,323.15 : 2,122,867,038.65 = 1,214,104,981.79 : x - Step 2: Convert to fraction form
1,408,495,323.15/2,122,867,038.65 = 1,214,104,981.79/x - Step 3: Cross multiply
1,408,495,323.15x = 2,122,867,038.65 × 1,214,104,981.79 - Step 4: Simplify right side
1,408,495,323.15x = 2,577,383,447,301,773,312 - Step 5: Solve for x
x = 2,577,383,447,301,773,312/1,408,495,323.15 - Step 6: Final answer
x = 1,829,884,277.88
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.