Home / 352,387,746.60-528,581,619.90-279,828,335.40

Finding the Fourth Proportional to 352,387,746.60, 528,581,619.90 and 279,828,335.40

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Solution

The fourth proportional to 352,387,746.60, 528,581,619.90 and 279,828,335.40 is: 419,742,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,387,746.60 : 528,581,619.90 = 279,828,335.40 : x
  2. Step 2: Convert to fraction form
    352,387,746.60/528,581,619.90 = 279,828,335.40/x
  3. Step 3: Cross multiply
    352,387,746.60x = 528,581,619.90 × 279,828,335.40
  4. Step 4: Simplify right side
    352,387,746.60x = 147,912,114,819,652,480
  5. Step 5: Solve for x
    x = 147,912,114,819,652,480/352,387,746.60
  6. Step 6: Final answer
    x = 419,742,503.10

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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.