Home / 651,570,758.40-977,356,137.60-345,460,742.40

Finding the Fourth Proportional to 651,570,758.40, 977,356,137.60 and 345,460,742.40

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Solution

The fourth proportional to 651,570,758.40, 977,356,137.60 and 345,460,742.40 is: 518,191,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,570,758.40 : 977,356,137.60 = 345,460,742.40 : x
  2. Step 2: Convert to fraction form
    651,570,758.40/977,356,137.60 = 345,460,742.40/x
  3. Step 3: Cross multiply
    651,570,758.40x = 977,356,137.60 × 345,460,742.40
  4. Step 4: Simplify right side
    651,570,758.40x = 337,638,176,884,492,544
  5. Step 5: Solve for x
    x = 337,638,176,884,492,544/651,570,758.40
  6. Step 6: Final answer
    x = 518,191,113.60

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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.