Home / 458,423,332.28-632,679,047.34-270,294,209.72

Finding the Fourth Proportional to 458,423,332.28, 632,679,047.34 and 270,294,209.72

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Solution

The fourth proportional to 458,423,332.28, 632,679,047.34 and 270,294,209.72 is: 373,038,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,423,332.28 : 632,679,047.34 = 270,294,209.72 : x
  2. Step 2: Convert to fraction form
    458,423,332.28/632,679,047.34 = 270,294,209.72/x
  3. Step 3: Cross multiply
    458,423,332.28x = 632,679,047.34 × 270,294,209.72
  4. Step 4: Simplify right side
    458,423,332.28x = 171,009,483,107,167,808
  5. Step 5: Solve for x
    x = 171,009,483,107,167,808/458,423,332.28
  6. Step 6: Final answer
    x = 373,038,349.20

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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.