Home / 709,651,421.60-1,064,477,132.40-656,567,261.60

Finding the Fourth Proportional to 709,651,421.60, 1,064,477,132.40 and 656,567,261.60

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Solution

The fourth proportional to 709,651,421.60, 1,064,477,132.40 and 656,567,261.60 is: 984,850,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,651,421.60 : 1,064,477,132.40 = 656,567,261.60 : x
  2. Step 2: Convert to fraction form
    709,651,421.60/1,064,477,132.40 = 656,567,261.60/x
  3. Step 3: Cross multiply
    709,651,421.60x = 1,064,477,132.40 × 656,567,261.60
  4. Step 4: Simplify right side
    709,651,421.60x = 698,900,835,855,688,704
  5. Step 5: Solve for x
    x = 698,900,835,855,688,704/709,651,421.60
  6. Step 6: Final answer
    x = 984,850,892.40

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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.