Home / 877,832,105.60-1,316,150,961.60-417,990,569.60

Finding the Fourth Proportional to 877,832,105.60, 1,316,150,961.60 and 417,990,569.60

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Solution

The fourth proportional to 877,832,105.60, 1,316,150,961.60 and 417,990,569.60 is: 626,701,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,832,105.60 : 1,316,150,961.60 = 417,990,569.60 : x
  2. Step 2: Convert to fraction form
    877,832,105.60/1,316,150,961.60 = 417,990,569.60/x
  3. Step 3: Cross multiply
    877,832,105.60x = 1,316,150,961.60 × 417,990,569.60
  4. Step 4: Simplify right side
    877,832,105.60x = 550,138,690,118,771,712
  5. Step 5: Solve for x
    x = 550,138,690,118,771,712/877,832,105.60
  6. Step 6: Final answer
    x = 626,701,491.79

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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.