Home / 453,292,458.80-679,938,688.20-146,615,572.40

Finding the Fourth Proportional to 453,292,458.80, 679,938,688.20 and 146,615,572.40

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Solution

The fourth proportional to 453,292,458.80, 679,938,688.20 and 146,615,572.40 is: 219,923,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,292,458.80 : 679,938,688.20 = 146,615,572.40 : x
  2. Step 2: Convert to fraction form
    453,292,458.80/679,938,688.20 = 146,615,572.40/x
  3. Step 3: Cross multiply
    453,292,458.80x = 679,938,688.20 × 146,615,572.40
  4. Step 4: Simplify right side
    453,292,458.80x = 99,689,599,967,348,144
  5. Step 5: Solve for x
    x = 99,689,599,967,348,144/453,292,458.80
  6. Step 6: Final answer
    x = 219,923,358.60

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1.5x scale

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.