Home / 649,517,655.20-974,276,482.80-585,020,400.80

Finding the Fourth Proportional to 649,517,655.20, 974,276,482.80 and 585,020,400.80

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Solution

The fourth proportional to 649,517,655.20, 974,276,482.80 and 585,020,400.80 is: 877,530,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,517,655.20 : 974,276,482.80 = 585,020,400.80 : x
  2. Step 2: Convert to fraction form
    649,517,655.20/974,276,482.80 = 585,020,400.80/x
  3. Step 3: Cross multiply
    649,517,655.20x = 974,276,482.80 × 585,020,400.80
  4. Step 4: Simplify right side
    649,517,655.20x = 569,971,618,457,670,208
  5. Step 5: Solve for x
    x = 569,971,618,457,670,208/649,517,655.20
  6. Step 6: Final answer
    x = 877,530,601.20

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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.