Home / 1,243,349,472.91-1,716,596,623.95-791,482,400.14

Finding the Fourth Proportional to 1,243,349,472.91, 1,716,596,623.95 and 791,482,400.14

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Solution

The fourth proportional to 1,243,349,472.91, 1,716,596,623.95 and 791,482,400.14 is: 1,092,738,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,349,472.91 : 1,716,596,623.95 = 791,482,400.14 : x
  2. Step 2: Convert to fraction form
    1,243,349,472.91/1,716,596,623.95 = 791,482,400.14/x
  3. Step 3: Cross multiply
    1,243,349,472.91x = 1,716,596,623.95 × 791,482,400.14
  4. Step 4: Simplify right side
    1,243,349,472.91x = 1,358,656,015,987,584,000
  5. Step 5: Solve for x
    x = 1,358,656,015,987,584,000/1,243,349,472.91
  6. Step 6: Final answer
    x = 1,092,738,643.15

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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.