Home / 675,286,066.04-931,992,641.98-389,121,918.77

Finding the Fourth Proportional to 675,286,066.04, 931,992,641.98 and 389,121,918.77

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Solution

The fourth proportional to 675,286,066.04, 931,992,641.98 and 389,121,918.77 is: 537,044,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,286,066.04 : 931,992,641.98 = 389,121,918.77 : x
  2. Step 2: Convert to fraction form
    675,286,066.04/931,992,641.98 = 389,121,918.77/x
  3. Step 3: Cross multiply
    675,286,066.04x = 931,992,641.98 × 389,121,918.77
  4. Step 4: Simplify right side
    675,286,066.04x = 362,658,765,128,136,384
  5. Step 5: Solve for x
    x = 362,658,765,128,136,384/675,286,066.04
  6. Step 6: Final answer
    x = 537,044,644.29

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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.