Home / 812,592,021.40-1,218,888,032.10-584,710,120.60

Finding the Fourth Proportional to 812,592,021.40, 1,218,888,032.10 and 584,710,120.60

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Solution

The fourth proportional to 812,592,021.40, 1,218,888,032.10 and 584,710,120.60 is: 877,065,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,592,021.40 : 1,218,888,032.10 = 584,710,120.60 : x
  2. Step 2: Convert to fraction form
    812,592,021.40/1,218,888,032.10 = 584,710,120.60/x
  3. Step 3: Cross multiply
    812,592,021.40x = 1,218,888,032.10 × 584,710,120.60
  4. Step 4: Simplify right side
    812,592,021.40x = 712,696,168,247,087,616
  5. Step 5: Solve for x
    x = 712,696,168,247,087,616/812,592,021.40
  6. Step 6: Final answer
    x = 877,065,180.90

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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.