Home / 6,390,055,979.04-8,818,108,068.78-3,570,687,072.30

Finding the Fourth Proportional to 6,390,055,979.04, 8,818,108,068.78 and 3,570,687,072.30

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Solution

The fourth proportional to 6,390,055,979.04, 8,818,108,068.78 and 3,570,687,072.30 is: 4,927,453,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,055,979.04 : 8,818,108,068.78 = 3,570,687,072.30 : x
  2. Step 2: Convert to fraction form
    6,390,055,979.04/8,818,108,068.78 = 3,570,687,072.30/x
  3. Step 3: Cross multiply
    6,390,055,979.04x = 8,818,108,068.78 × 3,570,687,072.30
  4. Step 4: Simplify right side
    6,390,055,979.04x = 31,486,704,483,337,068,544
  5. Step 5: Solve for x
    x = 31,486,704,483,337,068,544/6,390,055,979.04
  6. Step 6: Final answer
    x = 4,927,453,622.73

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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.