Home / 684,962,934.19-945,248,849.24-371,697,148.16

Finding the Fourth Proportional to 684,962,934.19, 945,248,849.24 and 371,697,148.16

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Solution

The fourth proportional to 684,962,934.19, 945,248,849.24 and 371,697,148.16 is: 512,942,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,962,934.19 : 945,248,849.24 = 371,697,148.16 : x
  2. Step 2: Convert to fraction form
    684,962,934.19/945,248,849.24 = 371,697,148.16/x
  3. Step 3: Cross multiply
    684,962,934.19x = 945,248,849.24 × 371,697,148.16
  4. Step 4: Simplify right side
    684,962,934.19x = 351,346,301,566,937,536
  5. Step 5: Solve for x
    x = 351,346,301,566,937,536/684,962,934.19
  6. Step 6: Final answer
    x = 512,942,064.50

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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.