Home / 1,455,779,980.90-2,183,669,971.35-473,204,620.90

Finding the Fourth Proportional to 1,455,779,980.90, 2,183,669,971.35 and 473,204,620.90

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Solution

The fourth proportional to 1,455,779,980.90, 2,183,669,971.35 and 473,204,620.90 is: 709,806,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,779,980.90 : 2,183,669,971.35 = 473,204,620.90 : x
  2. Step 2: Convert to fraction form
    1,455,779,980.90/2,183,669,971.35 = 473,204,620.90/x
  3. Step 3: Cross multiply
    1,455,779,980.90x = 2,183,669,971.35 × 473,204,620.90
  4. Step 4: Simplify right side
    1,455,779,980.90x = 1,033,322,720,963,390,464
  5. Step 5: Solve for x
    x = 1,033,322,720,963,390,464/1,455,779,980.90
  6. Step 6: Final answer
    x = 709,806,931.35

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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.