Home / 314,934,779.20-472,402,168.80-223,101,774.40

Finding the Fourth Proportional to 314,934,779.20, 472,402,168.80 and 223,101,774.40

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Solution

The fourth proportional to 314,934,779.20, 472,402,168.80 and 223,101,774.40 is: 334,652,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,934,779.20 : 472,402,168.80 = 223,101,774.40 : x
  2. Step 2: Convert to fraction form
    314,934,779.20/472,402,168.80 = 223,101,774.40/x
  3. Step 3: Cross multiply
    314,934,779.20x = 472,402,168.80 × 223,101,774.40
  4. Step 4: Simplify right side
    314,934,779.20x = 105,393,762,089,688,320
  5. Step 5: Solve for x
    x = 105,393,762,089,688,320/314,934,779.20
  6. Step 6: Final answer
    x = 334,652,661.60

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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.