Finding the Fourth Proportional to 411,446,471,528.79, 567,668,032,588.98 and 237,768,338,134.07
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Solution
The fourth proportional to 411,446,471,528.79, 567,668,032,588.98 and 237,768,338,134.07 is: 328,046,280,768.93
Step by Step Solution
- Step 1: Write the proportion equation
411,446,471,528.79 : 567,668,032,588.98 = 237,768,338,134.07 : x - Step 2: Convert to fraction form
411,446,471,528.79/567,668,032,588.98 = 237,768,338,134.07/x - Step 3: Cross multiply
411,446,471,528.79x = 567,668,032,588.98 × 237,768,338,134.07 - Step 4: Simplify right side
411,446,471,528.79x = 134,973,484,720,518,862,995,456 - Step 5: Solve for x
x = 134,973,484,720,518,862,995,456/411,446,471,528.79 - Step 6: Final answer
x = 328,046,280,768.93
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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.