Home / 453,411,473.25-679,408,621.85-315,506,519.57

Finding the Fourth Proportional to 453,411,473.25, 679,408,621.85 and 315,506,519.57

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Solution

The fourth proportional to 453,411,473.25, 679,408,621.85 and 315,506,519.57 is: 472,766,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,411,473.25 : 679,408,621.85 = 315,506,519.57 : x
  2. Step 2: Convert to fraction form
    453,411,473.25/679,408,621.85 = 315,506,519.57/x
  3. Step 3: Cross multiply
    453,411,473.25x = 679,408,621.85 × 315,506,519.57
  4. Step 4: Simplify right side
    453,411,473.25x = 214,357,849,640,769,184
  5. Step 5: Solve for x
    x = 214,357,849,640,769,184/453,411,473.25
  6. Step 6: Final answer
    x = 472,766,708.14

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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.