Home / 1,180,138,237.88-1,628,547,992.37-651,490,846.07

Finding the Fourth Proportional to 1,180,138,237.88, 1,628,547,992.37 and 651,490,846.07

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Solution

The fourth proportional to 1,180,138,237.88, 1,628,547,992.37 and 651,490,846.07 is: 899,033,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,138,237.88 : 1,628,547,992.37 = 651,490,846.07 : x
  2. Step 2: Convert to fraction form
    1,180,138,237.88/1,628,547,992.37 = 651,490,846.07/x
  3. Step 3: Cross multiply
    1,180,138,237.88x = 1,628,547,992.37 × 651,490,846.07
  4. Step 4: Simplify right side
    1,180,138,237.88x = 1,060,984,109,406,588,544
  5. Step 5: Solve for x
    x = 1,060,984,109,406,588,544/1,180,138,237.88
  6. Step 6: Final answer
    x = 899,033,753.30

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Double scale
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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.