Home / 1,534,464,007.20-2,301,696,010.80-921,740,090.40

Finding the Fourth Proportional to 1,534,464,007.20, 2,301,696,010.80 and 921,740,090.40

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Solution

The fourth proportional to 1,534,464,007.20, 2,301,696,010.80 and 921,740,090.40 is: 1,382,610,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,464,007.20 : 2,301,696,010.80 = 921,740,090.40 : x
  2. Step 2: Convert to fraction form
    1,534,464,007.20/2,301,696,010.80 = 921,740,090.40/x
  3. Step 3: Cross multiply
    1,534,464,007.20x = 2,301,696,010.80 × 921,740,090.40
  4. Step 4: Simplify right side
    1,534,464,007.20x = 2,121,565,489,068,111,616
  5. Step 5: Solve for x
    x = 2,121,565,489,068,111,616/1,534,464,007.20
  6. Step 6: Final answer
    x = 1,382,610,135.60

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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.