Home / 1,312,094,116.14-1,810,693,135.89-717,416,973.42

Finding the Fourth Proportional to 1,312,094,116.14, 1,810,693,135.89 and 717,416,973.42

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Solution

The fourth proportional to 1,312,094,116.14, 1,810,693,135.89 and 717,416,973.42 is: 990,037,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,094,116.14 : 1,810,693,135.89 = 717,416,973.42 : x
  2. Step 2: Convert to fraction form
    1,312,094,116.14/1,810,693,135.89 = 717,416,973.42/x
  3. Step 3: Cross multiply
    1,312,094,116.14x = 1,810,693,135.89 × 717,416,973.42
  4. Step 4: Simplify right side
    1,312,094,116.14x = 1,299,021,989,342,572,544
  5. Step 5: Solve for x
    x = 1,299,021,989,342,572,544/1,312,094,116.14
  6. Step 6: Final answer
    x = 990,037,203.40

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Double scale
Find fourth proportional to 1,312,094,117.14, 1,810,693,137.27 and 717,416,974.42
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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.