Home / 586,789,861.60-880,184,792.40-542,447,999.20

Finding the Fourth Proportional to 586,789,861.60, 880,184,792.40 and 542,447,999.20

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Solution

The fourth proportional to 586,789,861.60, 880,184,792.40 and 542,447,999.20 is: 813,671,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,789,861.60 : 880,184,792.40 = 542,447,999.20 : x
  2. Step 2: Convert to fraction form
    586,789,861.60/880,184,792.40 = 542,447,999.20/x
  3. Step 3: Cross multiply
    586,789,861.60x = 880,184,792.40 × 542,447,999.20
  4. Step 4: Simplify right side
    586,789,861.60x = 477,454,479,563,647,424
  5. Step 5: Solve for x
    x = 477,454,479,563,647,424/586,789,861.60
  6. Step 6: Final answer
    x = 813,671,998.80

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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.