Home / 723,896,818.56-999,080,075.52-410,708,620.80

Finding the Fourth Proportional to 723,896,818.56, 999,080,075.52 and 410,708,620.80

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Solution

The fourth proportional to 723,896,818.56, 999,080,075.52 and 410,708,620.80 is: 566,836,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,896,818.56 : 999,080,075.52 = 410,708,620.80 : x
  2. Step 2: Convert to fraction form
    723,896,818.56/999,080,075.52 = 410,708,620.80/x
  3. Step 3: Cross multiply
    723,896,818.56x = 999,080,075.52 × 410,708,620.80
  4. Step 4: Simplify right side
    723,896,818.56x = 410,330,799,885,579,072
  5. Step 5: Solve for x
    x = 410,330,799,885,579,072/723,896,818.56
  6. Step 6: Final answer
    x = 566,836,031.55

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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.