Finding the Fourth Proportional to 584,947,408.05, 877,421,058.81 and 257,422,921.08
Calculator
Solution
The fourth proportional to 584,947,408.05, 877,421,058.81 and 257,422,921.08 is: 386,134,358.18
Step by Step Solution
- Step 1: Write the proportion equation
584,947,408.05 : 877,421,058.81 = 257,422,921.08 : x - Step 2: Convert to fraction form
584,947,408.05/877,421,058.81 = 257,422,921.08/x - Step 3: Cross multiply
584,947,408.05x = 877,421,058.81 × 257,422,921.08 - Step 4: Simplify right side
584,947,408.05x = 225,868,291,975,976,672 - Step 5: Solve for x
x = 225,868,291,975,976,672/584,947,408.05 - Step 6: Final answer
x = 386,134,358.18
Related Problems
Find fourth proportional to 292,473,704.03, 438,710,529.41 and 128,711,460.54
Half scale
Find fourth proportional to 1,169,894,816.10, 1,754,842,117.62 and 514,845,842.16
Double scale
Find fourth proportional to 584,947,409.05, 877,421,060.31 and 257,422,922.08
Similar ratio
Find fourth proportional to 877,421,112.08, 1,316,131,588.22 and 386,134,381.62
1.5x scale
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.