Home / 879,799,885.11-1,214,136,276.35-483,359,513.13

Finding the Fourth Proportional to 879,799,885.11, 1,214,136,276.35 and 483,359,513.13

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Solution

The fourth proportional to 879,799,885.11, 1,214,136,276.35 and 483,359,513.13 is: 667,042,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,799,885.11 : 1,214,136,276.35 = 483,359,513.13 : x
  2. Step 2: Convert to fraction form
    879,799,885.11/1,214,136,276.35 = 483,359,513.13/x
  3. Step 3: Cross multiply
    879,799,885.11x = 1,214,136,276.35 × 483,359,513.13
  4. Step 4: Simplify right side
    879,799,885.11x = 586,864,319,407,590,400
  5. Step 5: Solve for x
    x = 586,864,319,407,590,400/879,799,885.11
  6. Step 6: Final answer
    x = 667,042,959.81

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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.