Home / 1,111,185,522.11-1,667,423,984.09-497,769,747.86

Finding the Fourth Proportional to 1,111,185,522.11, 1,667,423,984.09 and 497,769,747.86

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Solution

The fourth proportional to 1,111,185,522.11, 1,667,423,984.09 and 497,769,747.86 is: 746,943,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,185,522.11 : 1,667,423,984.09 = 497,769,747.86 : x
  2. Step 2: Convert to fraction form
    1,111,185,522.11/1,667,423,984.09 = 497,769,747.86/x
  3. Step 3: Cross multiply
    1,111,185,522.11x = 1,667,423,984.09 × 497,769,747.86
  4. Step 4: Simplify right side
    1,111,185,522.11x = 829,993,216,137,875,712
  5. Step 5: Solve for x
    x = 829,993,216,137,875,712/1,111,185,522.11
  6. Step 6: Final answer
    x = 746,943,871.77

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Half scale
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Double scale
Find fourth proportional to 1,111,185,523.11, 1,667,423,985.59 and 497,769,748.86
Similar ratio
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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.