Home / 6,390,128,039.40-8,818,207,536.70-3,570,759,132.66

Finding the Fourth Proportional to 6,390,128,039.40, 8,818,207,536.70 and 3,570,759,132.66

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Solution

The fourth proportional to 6,390,128,039.40, 8,818,207,536.70 and 3,570,759,132.66 is: 4,927,553,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,128,039.40 : 8,818,207,536.70 = 3,570,759,132.66 : x
  2. Step 2: Convert to fraction form
    6,390,128,039.40/8,818,207,536.70 = 3,570,759,132.66/x
  3. Step 3: Cross multiply
    6,390,128,039.40x = 8,818,207,536.70 × 3,570,759,132.66
  4. Step 4: Simplify right side
    6,390,128,039.40x = 31,487,695,095,400,914,944
  5. Step 5: Solve for x
    x = 31,487,695,095,400,914,944/6,390,128,039.40
  6. Step 6: Final answer
    x = 4,927,553,078.94

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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.