Home / 875,105,904.12-1,207,512,000.54-503,756,181.24

Finding the Fourth Proportional to 875,105,904.12, 1,207,512,000.54 and 503,756,181.24

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Solution

The fourth proportional to 875,105,904.12, 1,207,512,000.54 and 503,756,181.24 is: 695,106,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,105,904.12 : 1,207,512,000.54 = 503,756,181.24 : x
  2. Step 2: Convert to fraction form
    875,105,904.12/1,207,512,000.54 = 503,756,181.24/x
  3. Step 3: Cross multiply
    875,105,904.12x = 1,207,512,000.54 × 503,756,181.24
  4. Step 4: Simplify right side
    875,105,904.12x = 608,291,634,193,503,232
  5. Step 5: Solve for x
    x = 608,291,634,193,503,232/875,105,904.12
  6. Step 6: Final answer
    x = 695,106,308.08

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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.