Finding the Fourth Proportional to 3,385,506,544.79, 4,671,438,465.33 and 1,956,710,701
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Solution
The fourth proportional to 3,385,506,544.79, 4,671,438,465.33 and 1,956,710,701 is: 2,699,936,778.51
Step by Step Solution
- Step 1: Write the proportion equation
3,385,506,544.79 : 4,671,438,465.33 = 1,956,710,701 : x - Step 2: Convert to fraction form
3,385,506,544.79/4,671,438,465.33 = 1,956,710,701/x - Step 3: Cross multiply
3,385,506,544.79x = 4,671,438,465.33 × 1,956,710,701 - Step 4: Simplify right side
3,385,506,544.79x = 9,140,653,634,174,228,480 - Step 5: Solve for x
x = 9,140,653,634,174,228,480/3,385,506,544.79 - Step 6: Final answer
x = 2,699,936,778.51
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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.