Home / 673,381,657.80-1,010,072,486.70-397,882,643.40

Finding the Fourth Proportional to 673,381,657.80, 1,010,072,486.70 and 397,882,643.40

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Solution

The fourth proportional to 673,381,657.80, 1,010,072,486.70 and 397,882,643.40 is: 596,823,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,381,657.80 : 1,010,072,486.70 = 397,882,643.40 : x
  2. Step 2: Convert to fraction form
    673,381,657.80/1,010,072,486.70 = 397,882,643.40/x
  3. Step 3: Cross multiply
    673,381,657.80x = 1,010,072,486.70 × 397,882,643.40
  4. Step 4: Simplify right side
    673,381,657.80x = 401,890,311,033,807,360
  5. Step 5: Solve for x
    x = 401,890,311,033,807,360/673,381,657.80
  6. Step 6: Final answer
    x = 596,823,965.10

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1.5x scale

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.