Home / 1,212,302,066.80-1,818,453,100.20-921,736,700.05

Finding the Fourth Proportional to 1,212,302,066.80, 1,818,453,100.20 and 921,736,700.05

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Solution

The fourth proportional to 1,212,302,066.80, 1,818,453,100.20 and 921,736,700.05 is: 1,382,605,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,302,066.80 : 1,818,453,100.20 = 921,736,700.05 : x
  2. Step 2: Convert to fraction form
    1,212,302,066.80/1,818,453,100.20 = 921,736,700.05/x
  3. Step 3: Cross multiply
    1,212,302,066.80x = 1,818,453,100.20 × 921,736,700.05
  4. Step 4: Simplify right side
    1,212,302,066.80x = 1,676,134,959,774,040,064
  5. Step 5: Solve for x
    x = 1,676,134,959,774,040,064/1,212,302,066.80
  6. Step 6: Final answer
    x = 1,382,605,050.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.