Home / 549,963,428.76-758,934,390.78-302,444,782.20

Finding the Fourth Proportional to 549,963,428.76, 758,934,390.78 and 302,444,782.20

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Solution

The fourth proportional to 549,963,428.76, 758,934,390.78 and 302,444,782.20 is: 417,365,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,963,428.76 : 758,934,390.78 = 302,444,782.20 : x
  2. Step 2: Convert to fraction form
    549,963,428.76/758,934,390.78 = 302,444,782.20/x
  3. Step 3: Cross multiply
    549,963,428.76x = 758,934,390.78 × 302,444,782.20
  4. Step 4: Simplify right side
    549,963,428.76x = 229,535,746,523,546,784
  5. Step 5: Solve for x
    x = 229,535,746,523,546,784/549,963,428.76
  6. Step 6: Final answer
    x = 417,365,472.90

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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.