Home / 930,495,289.46-1,284,083,506.67-512,807,579.46

Finding the Fourth Proportional to 930,495,289.46, 1,284,083,506.67 and 512,807,579.46

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Solution

The fourth proportional to 930,495,289.46, 1,284,083,506.67 and 512,807,579.46 is: 707,674,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,495,289.46 : 1,284,083,506.67 = 512,807,579.46 : x
  2. Step 2: Convert to fraction form
    930,495,289.46/1,284,083,506.67 = 512,807,579.46/x
  3. Step 3: Cross multiply
    930,495,289.46x = 1,284,083,506.67 × 512,807,579.46
  4. Step 4: Simplify right side
    930,495,289.46x = 658,487,754,877,387,392
  5. Step 5: Solve for x
    x = 658,487,754,877,387,392/930,495,289.46
  6. Step 6: Final answer
    x = 707,674,463.63

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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.