Home / 519,047,031.35-778,572,566.94-125,573,226.40

Finding the Fourth Proportional to 519,047,031.35, 778,572,566.94 and 125,573,226.40

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Solution

The fourth proportional to 519,047,031.35, 778,572,566.94 and 125,573,226.40 is: 188,360,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,047,031.35 : 778,572,566.94 = 125,573,226.40 : x
  2. Step 2: Convert to fraction form
    519,047,031.35/778,572,566.94 = 125,573,226.40/x
  3. Step 3: Cross multiply
    519,047,031.35x = 778,572,566.94 × 125,573,226.40
  4. Step 4: Simplify right side
    519,047,031.35x = 97,767,869,217,575,072
  5. Step 5: Solve for x
    x = 97,767,869,217,575,072/519,047,031.35
  6. Step 6: Final answer
    x = 188,360,328.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.