Finding the Fourth Proportional to 785,564,434.56, 1,177,013,163.84 and 474,017,389.60
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Solution
The fourth proportional to 785,564,434.56, 1,177,013,163.84 and 474,017,389.60 is: 710,221,444.48
Step by Step Solution
- Step 1: Write the proportion equation
785,564,434.56 : 1,177,013,163.84 = 474,017,389.60 : x - Step 2: Convert to fraction form
785,564,434.56/1,177,013,163.84 = 474,017,389.60/x - Step 3: Cross multiply
785,564,434.56x = 1,177,013,163.84 × 474,017,389.60 - Step 4: Simplify right side
785,564,434.56x = 557,924,707,448,273,920 - Step 5: Solve for x
x = 557,924,707,448,273,920/785,564,434.56 - Step 6: Final answer
x = 710,221,444.48
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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.