Home / 920,496,695.39-1,270,285,391.04-497,110,315.85

Finding the Fourth Proportional to 920,496,695.39, 1,270,285,391.04 and 497,110,315.85

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Solution

The fourth proportional to 920,496,695.39, 1,270,285,391.04 and 497,110,315.85 is: 686,012,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,496,695.39 : 1,270,285,391.04 = 497,110,315.85 : x
  2. Step 2: Convert to fraction form
    920,496,695.39/1,270,285,391.04 = 497,110,315.85/x
  3. Step 3: Cross multiply
    920,496,695.39x = 1,270,285,391.04 × 497,110,315.85
  4. Step 4: Simplify right side
    920,496,695.39x = 631,471,971,959,535,232
  5. Step 5: Solve for x
    x = 631,471,971,959,535,232/920,496,695.39
  6. Step 6: Final answer
    x = 686,012,209.63

Related Problems

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Half scale
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Double scale
Find fourth proportional to 920,496,696.39, 1,270,285,392.42 and 497,110,316.85
Similar ratio
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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.