Finding the Fourth Proportional to 1,032,448,637.05, 1,424,779,324.13 and 562,549,957.99
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Solution
The fourth proportional to 1,032,448,637.05, 1,424,779,324.13 and 562,549,957.99 is: 776,319,053.73
Step by Step Solution
- Step 1: Write the proportion equation
1,032,448,637.05 : 1,424,779,324.13 = 562,549,957.99 : x - Step 2: Convert to fraction form
1,032,448,637.05/1,424,779,324.13 = 562,549,957.99/x - Step 3: Cross multiply
1,032,448,637.05x = 1,424,779,324.13 × 562,549,957.99 - Step 4: Simplify right side
1,032,448,637.05x = 801,509,548,934,352,128 - Step 5: Solve for x
x = 801,509,548,934,352,128/1,032,448,637.05 - Step 6: Final answer
x = 776,319,053.73
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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.