Home / 20,018,901,663.60-30,028,352,495.40-5,298,411,116.40

Finding the Fourth Proportional to 20,018,901,663.60, 30,028,352,495.40 and 5,298,411,116.40

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Solution

The fourth proportional to 20,018,901,663.60, 30,028,352,495.40 and 5,298,411,116.40 is: 7,947,616,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018,901,663.60 : 30,028,352,495.40 = 5,298,411,116.40 : x
  2. Step 2: Convert to fraction form
    20,018,901,663.60/30,028,352,495.40 = 5,298,411,116.40/x
  3. Step 3: Cross multiply
    20,018,901,663.60x = 30,028,352,495.40 × 5,298,411,116.40
  4. Step 4: Simplify right side
    20,018,901,663.60x = 159,102,556,668,805,021,696
  5. Step 5: Solve for x
    x = 159,102,556,668,805,021,696/20,018,901,663.60
  6. Step 6: Final answer
    x = 7,947,616,674.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.