Home / 1,224,421,796.67-1,689,685,943.00-688,573,302.77

Finding the Fourth Proportional to 1,224,421,796.67, 1,689,685,943.00 and 688,573,302.77

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Solution

The fourth proportional to 1,224,421,796.67, 1,689,685,943.00 and 688,573,302.77 is: 950,222,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,421,796.67 : 1,689,685,943.00 = 688,573,302.77 : x
  2. Step 2: Convert to fraction form
    1,224,421,796.67/1,689,685,943.00 = 688,573,302.77/x
  3. Step 3: Cross multiply
    1,224,421,796.67x = 1,689,685,943.00 × 688,573,302.77
  4. Step 4: Simplify right side
    1,224,421,796.67x = 1,163,472,630,403,660,544
  5. Step 5: Solve for x
    x = 1,163,472,630,403,660,544/1,224,421,796.67
  6. Step 6: Final answer
    x = 950,222,083.25

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Half scale
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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.