Home / 807,461,756.96-1,114,504,550.52-525,905,809.84

Finding the Fourth Proportional to 807,461,756.96, 1,114,504,550.52 and 525,905,809.84

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Solution

The fourth proportional to 807,461,756.96, 1,114,504,550.52 and 525,905,809.84 is: 725,885,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,461,756.96 : 1,114,504,550.52 = 525,905,809.84 : x
  2. Step 2: Convert to fraction form
    807,461,756.96/1,114,504,550.52 = 525,905,809.84/x
  3. Step 3: Cross multiply
    807,461,756.96x = 1,114,504,550.52 × 525,905,809.84
  4. Step 4: Simplify right side
    807,461,756.96x = 586,124,418,211,585,792
  5. Step 5: Solve for x
    x = 586,124,418,211,585,792/807,461,756.96
  6. Step 6: Final answer
    x = 725,885,050.48

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Half scale
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Double scale
Find fourth proportional to 807,461,757.96, 1,114,504,551.90 and 525,905,810.84
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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.