Home / 932,301,347.40-1,398,452,021.10-625,740,323.40

Finding the Fourth Proportional to 932,301,347.40, 1,398,452,021.10 and 625,740,323.40

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Solution

The fourth proportional to 932,301,347.40, 1,398,452,021.10 and 625,740,323.40 is: 938,610,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,301,347.40 : 1,398,452,021.10 = 625,740,323.40 : x
  2. Step 2: Convert to fraction form
    932,301,347.40/1,398,452,021.10 = 625,740,323.40/x
  3. Step 3: Cross multiply
    932,301,347.40x = 1,398,452,021.10 × 625,740,323.40
  4. Step 4: Simplify right side
    932,301,347.40x = 875,067,819,942,497,536
  5. Step 5: Solve for x
    x = 875,067,819,942,497,536/932,301,347.40
  6. Step 6: Final answer
    x = 938,610,485.10

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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.