Home / 769,559,402.32-1,061,963,523.92-417,127,826.23

Finding the Fourth Proportional to 769,559,402.32, 1,061,963,523.92 and 417,127,826.23

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Solution

The fourth proportional to 769,559,402.32, 1,061,963,523.92 and 417,127,826.23 is: 575,620,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,402.32 : 1,061,963,523.92 = 417,127,826.23 : x
  2. Step 2: Convert to fraction form
    769,559,402.32/1,061,963,523.92 = 417,127,826.23/x
  3. Step 3: Cross multiply
    769,559,402.32x = 1,061,963,523.92 × 417,127,826.23
  4. Step 4: Simplify right side
    769,559,402.32x = 442,974,536,266,688,128
  5. Step 5: Solve for x
    x = 442,974,536,266,688,128/769,559,402.32
  6. Step 6: Final answer
    x = 575,620,978.62

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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.