Finding the Fourth Proportional to 3,385,506,542.79, 4,671,438,462.57 and 1,956,710,699.00
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Solution
The fourth proportional to 3,385,506,542.79, 4,671,438,462.57 and 1,956,710,699.00 is: 2,699,936,775.75
Step by Step Solution
- Step 1: Write the proportion equation
3,385,506,542.79 : 4,671,438,462.57 = 1,956,710,699.00 : x - Step 2: Convert to fraction form
3,385,506,542.79/4,671,438,462.57 = 1,956,710,699.00/x - Step 3: Cross multiply
3,385,506,542.79x = 4,671,438,462.57 × 1,956,710,699.00 - Step 4: Simplify right side
3,385,506,542.79x = 9,140,653,619,407,471,616 - Step 5: Solve for x
x = 9,140,653,619,407,471,616/3,385,506,542.79 - Step 6: Final answer
x = 2,699,936,775.75
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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.