Home / 6,390,128,071.60-8,818,207,581-3,570,759,164.88

Finding the Fourth Proportional to 6,390,128,071.60, 8,818,207,581 and 3,570,759,164.88

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Solution

The fourth proportional to 6,390,128,071.60, 8,818,207,581 and 3,570,759,164.88 is: 4,927,553,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,128,071.60 : 8,818,207,581 = 3,570,759,164.88 : x
  2. Step 2: Convert to fraction form
    6,390,128,071.60/8,818,207,581 = 3,570,759,164.88/x
  3. Step 3: Cross multiply
    6,390,128,071.60x = 8,818,207,581 × 3,570,759,164.88
  4. Step 4: Simplify right side
    6,390,128,071.60x = 31,487,695,537,670,045,696
  5. Step 5: Solve for x
    x = 31,487,695,537,670,045,696/6,390,128,071.60
  6. Step 6: Final answer
    x = 4,927,553,123.33

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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.