Finding the Fourth Proportional to 745,087,283.04, 1,117,879,668.68 and 330,506,911.68
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Solution
The fourth proportional to 745,087,283.04, 1,117,879,668.68 and 330,506,911.68 is: 495,870,705.80
Step by Step Solution
- Step 1: Write the proportion equation
745,087,283.04 : 1,117,879,668.68 = 330,506,911.68 : x - Step 2: Convert to fraction form
745,087,283.04/1,117,879,668.68 = 330,506,911.68/x - Step 3: Cross multiply
745,087,283.04x = 1,117,879,668.68 × 330,506,911.68 - Step 4: Simplify right side
745,087,283.04x = 369,466,956,925,288,448 - Step 5: Solve for x
x = 369,466,956,925,288,448/745,087,283.04 - Step 6: Final answer
x = 495,870,705.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.