Home / 1,312,091,225.76-1,810,723,682.90-725,418,153.12

Finding the Fourth Proportional to 1,312,091,225.76, 1,810,723,682.90 and 725,418,153.12

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Solution

The fourth proportional to 1,312,091,225.76, 1,810,723,682.90 and 725,418,153.12 is: 1,001,097,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,091,225.76 : 1,810,723,682.90 = 725,418,153.12 : x
  2. Step 2: Convert to fraction form
    1,312,091,225.76/1,810,723,682.90 = 725,418,153.12/x
  3. Step 3: Cross multiply
    1,312,091,225.76x = 1,810,723,682.90 × 725,418,153.12
  4. Step 4: Simplify right side
    1,312,091,225.76x = 1,313,531,829,859,962,624
  5. Step 5: Solve for x
    x = 1,313,531,829,859,962,624/1,312,091,225.76
  6. Step 6: Final answer
    x = 1,001,097,945.08

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Double scale
Find fourth proportional to 1,312,091,226.76, 1,810,723,684.28 and 725,418,154.12
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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.