Home / 1,312,094,108.64-1,810,693,125.54-717,416,965.92

Finding the Fourth Proportional to 1,312,094,108.64, 1,810,693,125.54 and 717,416,965.92

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Solution

The fourth proportional to 1,312,094,108.64, 1,810,693,125.54 and 717,416,965.92 is: 990,037,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,094,108.64 : 1,810,693,125.54 = 717,416,965.92 : x
  2. Step 2: Convert to fraction form
    1,312,094,108.64/1,810,693,125.54 = 717,416,965.92/x
  3. Step 3: Cross multiply
    1,312,094,108.64x = 1,810,693,125.54 × 717,416,965.92
  4. Step 4: Simplify right side
    1,312,094,108.64x = 1,299,021,968,337,108,480
  5. Step 5: Solve for x
    x = 1,299,021,968,337,108,480/1,312,094,108.64
  6. Step 6: Final answer
    x = 990,037,193.05

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Double scale
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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.