Home / 698,950,689.80-1,049,937,689.10-494,877,345.80

Finding the Fourth Proportional to 698,950,689.80, 1,049,937,689.10 and 494,877,345.80

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Solution

The fourth proportional to 698,950,689.80, 1,049,937,689.10 and 494,877,345.80 is: 743,386,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,950,689.80 : 1,049,937,689.10 = 494,877,345.80 : x
  2. Step 2: Convert to fraction form
    698,950,689.80/1,049,937,689.10 = 494,877,345.80/x
  3. Step 3: Cross multiply
    698,950,689.80x = 1,049,937,689.10 × 494,877,345.80
  4. Step 4: Simplify right side
    698,950,689.80x = 519,590,376,837,193,600
  5. Step 5: Solve for x
    x = 519,590,376,837,193,600/698,950,689.80
  6. Step 6: Final answer
    x = 743,386,313.83

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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.