Home / 932,301,662.40-1,398,452,493.60-625,740,638.40

Finding the Fourth Proportional to 932,301,662.40, 1,398,452,493.60 and 625,740,638.40

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Solution

The fourth proportional to 932,301,662.40, 1,398,452,493.60 and 625,740,638.40 is: 938,610,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,301,662.40 : 1,398,452,493.60 = 625,740,638.40 : x
  2. Step 2: Convert to fraction form
    932,301,662.40/1,398,452,493.60 = 625,740,638.40/x
  3. Step 3: Cross multiply
    932,301,662.40x = 1,398,452,493.60 × 625,740,638.40
  4. Step 4: Simplify right side
    932,301,662.40x = 875,068,556,117,335,808
  5. Step 5: Solve for x
    x = 875,068,556,117,335,808/932,301,662.40
  6. Step 6: Final answer
    x = 938,610,957.60

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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.