Home / 948,609,708.17-1,309,122,306.29-525,223,377.45

Finding the Fourth Proportional to 948,609,708.17, 1,309,122,306.29 and 525,223,377.45

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Solution

The fourth proportional to 948,609,708.17, 1,309,122,306.29 and 525,223,377.45 is: 724,830,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,609,708.17 : 1,309,122,306.29 = 525,223,377.45 : x
  2. Step 2: Convert to fraction form
    948,609,708.17/1,309,122,306.29 = 525,223,377.45/x
  3. Step 3: Cross multiply
    948,609,708.17x = 1,309,122,306.29 × 525,223,377.45
  4. Step 4: Simplify right side
    948,609,708.17x = 687,581,639,206,080,256
  5. Step 5: Solve for x
    x = 687,581,639,206,080,256/948,609,708.17
  6. Step 6: Final answer
    x = 724,830,911.27

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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.