Home / 926,208,086.40-1,389,312,129.60-581,550,883.20

Finding the Fourth Proportional to 926,208,086.40, 1,389,312,129.60 and 581,550,883.20

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Solution

The fourth proportional to 926,208,086.40, 1,389,312,129.60 and 581,550,883.20 is: 872,326,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,208,086.40 : 1,389,312,129.60 = 581,550,883.20 : x
  2. Step 2: Convert to fraction form
    926,208,086.40/1,389,312,129.60 = 581,550,883.20/x
  3. Step 3: Cross multiply
    926,208,086.40x = 1,389,312,129.60 × 581,550,883.20
  4. Step 4: Simplify right side
    926,208,086.40x = 807,955,696,009,352,832
  5. Step 5: Solve for x
    x = 807,955,696,009,352,832/926,208,086.40
  6. Step 6: Final answer
    x = 872,326,324.80

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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.