Home / 776,500,180.67-1,071,596,689.82-459,232,394.81

Finding the Fourth Proportional to 776,500,180.67, 1,071,596,689.82 and 459,232,394.81

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Solution

The fourth proportional to 776,500,180.67, 1,071,596,689.82 and 459,232,394.81 is: 633,756,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,500,180.67 : 1,071,596,689.82 = 459,232,394.81 : x
  2. Step 2: Convert to fraction form
    776,500,180.67/1,071,596,689.82 = 459,232,394.81/x
  3. Step 3: Cross multiply
    776,500,180.67x = 1,071,596,689.82 × 459,232,394.81
  4. Step 4: Simplify right side
    776,500,180.67x = 492,111,914,128,853,248
  5. Step 5: Solve for x
    x = 492,111,914,128,853,248/776,500,180.67
  6. Step 6: Final answer
    x = 633,756,342.09

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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.