Home / 549,038,698.08-757,670,649.76-298,140,848.68

Finding the Fourth Proportional to 549,038,698.08, 757,670,649.76 and 298,140,848.68

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Solution

The fourth proportional to 549,038,698.08, 757,670,649.76 and 298,140,848.68 is: 411,432,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,038,698.08 : 757,670,649.76 = 298,140,848.68 : x
  2. Step 2: Convert to fraction form
    549,038,698.08/757,670,649.76 = 298,140,848.68/x
  3. Step 3: Cross multiply
    549,038,698.08x = 757,670,649.76 × 298,140,848.68
  4. Step 4: Simplify right side
    549,038,698.08x = 225,892,570,539,373,440
  5. Step 5: Solve for x
    x = 225,892,570,539,373,440/549,038,698.08
  6. Step 6: Final answer
    x = 411,432,875.91

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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.