Finding the Fourth Proportional to 700,369,574.04, 966,513,811.95 and 382,830,246.63
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Solution
The fourth proportional to 700,369,574.04, 966,513,811.95 and 382,830,246.63 is: 528,307,817.35
Step by Step Solution
- Step 1: Write the proportion equation
700,369,574.04 : 966,513,811.95 = 382,830,246.63 : x - Step 2: Convert to fraction form
700,369,574.04/966,513,811.95 = 382,830,246.63/x - Step 3: Cross multiply
700,369,574.04x = 966,513,811.95 × 382,830,246.63 - Step 4: Simplify right side
700,369,574.04x = 370,010,721,000,119,936 - Step 5: Solve for x
x = 370,010,721,000,119,936/700,369,574.04 - Step 6: Final answer
x = 528,307,817.35
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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.