Home / 646,350,452.48-891,964,622.40-367,891,973.12

Finding the Fourth Proportional to 646,350,452.48, 891,964,622.40 and 367,891,973.12

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Solution

The fourth proportional to 646,350,452.48, 891,964,622.40 and 367,891,973.12 is: 507,691,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,350,452.48 : 891,964,622.40 = 367,891,973.12 : x
  2. Step 2: Convert to fraction form
    646,350,452.48/891,964,622.40 = 367,891,973.12/x
  3. Step 3: Cross multiply
    646,350,452.48x = 891,964,622.40 × 367,891,973.12
  4. Step 4: Simplify right side
    646,350,452.48x = 328,146,624,887,971,776
  5. Step 5: Solve for x
    x = 328,146,624,887,971,776/646,350,452.48
  6. Step 6: Final answer
    x = 507,691,490.94

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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.