Finding the Fourth Proportional to 608,641,443.16, 839,854,332.25 and 340,731,945.99
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Solution
The fourth proportional to 608,641,443.16, 839,854,332.25 and 340,731,945.99 is: 470,170,416.74
Step by Step Solution
- Step 1: Write the proportion equation
608,641,443.16 : 839,854,332.25 = 340,731,945.99 : x - Step 2: Convert to fraction form
608,641,443.16/839,854,332.25 = 340,731,945.99/x - Step 3: Cross multiply
608,641,443.16x = 839,854,332.25 × 340,731,945.99 - Step 4: Simplify right side
608,641,443.16x = 286,165,200,974,822,688 - Step 5: Solve for x
x = 286,165,200,974,822,688/608,641,443.16 - Step 6: Final answer
x = 470,170,416.74
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1.5x scale
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.