Home / 2,154,191,815.72-2,972,656,588.35-1,249,877,695.06

Finding the Fourth Proportional to 2,154,191,815.72, 2,972,656,588.35 and 1,249,877,695.06

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Solution

The fourth proportional to 2,154,191,815.72, 2,972,656,588.35 and 1,249,877,695.06 is: 1,724,756,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,191,815.72 : 2,972,656,588.35 = 1,249,877,695.06 : x
  2. Step 2: Convert to fraction form
    2,154,191,815.72/2,972,656,588.35 = 1,249,877,695.06/x
  3. Step 3: Cross multiply
    2,154,191,815.72x = 2,972,656,588.35 × 1,249,877,695.06
  4. Step 4: Simplify right side
    2,154,191,815.72x = 3,715,457,164,851,821,056
  5. Step 5: Solve for x
    x = 3,715,457,164,851,821,056/2,154,191,815.72
  6. Step 6: Final answer
    x = 1,724,756,884.57

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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.