Finding the Fourth Proportional to 7,817,910,931.96, 10,788,724,038.02 and 4,249,617,838.00
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Solution
The fourth proportional to 7,817,910,931.96, 10,788,724,038.02 and 4,249,617,838.00 is: 5,864,476,395.32
Step by Step Solution
- Step 1: Write the proportion equation
7,817,910,931.96 : 10,788,724,038.02 = 4,249,617,838.00 : x - Step 2: Convert to fraction form
7,817,910,931.96/10,788,724,038.02 = 4,249,617,838.00/x - Step 3: Cross multiply
7,817,910,931.96x = 10,788,724,038.02 × 4,249,617,838.00 - Step 4: Simplify right side
7,817,910,931.96x = 45,847,954,121,180,962,816 - Step 5: Solve for x
x = 45,847,954,121,180,962,816/7,817,910,931.96 - Step 6: Final answer
x = 5,864,476,395.32
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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.