Home / 507,172,656,995.55-699,898,717,646.70-275,686,176,264.72

Finding the Fourth Proportional to 507,172,656,995.55, 699,898,717,646.70 and 275,686,176,264.72

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Solution

The fourth proportional to 507,172,656,995.55, 699,898,717,646.70 and 275,686,176,264.72 is: 380,447,168,393.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,172,656,995.55 : 699,898,717,646.70 = 275,686,176,264.72 : x
  2. Step 2: Convert to fraction form
    507,172,656,995.55/699,898,717,646.70 = 275,686,176,264.72/x
  3. Step 3: Cross multiply
    507,172,656,995.55x = 699,898,717,646.70 × 275,686,176,264.72
  4. Step 4: Simplify right side
    507,172,656,995.55x = 192,952,401,240,599,591,649,280
  5. Step 5: Solve for x
    x = 192,952,401,240,599,591,649,280/507,172,656,995.55
  6. Step 6: Final answer
    x = 380,447,168,393.57

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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.