Home / 877,242,002.60-1,315,863,003.90-739,492,495.40

Finding the Fourth Proportional to 877,242,002.60, 1,315,863,003.90 and 739,492,495.40

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Solution

The fourth proportional to 877,242,002.60, 1,315,863,003.90 and 739,492,495.40 is: 1,109,238,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,242,002.60 : 1,315,863,003.90 = 739,492,495.40 : x
  2. Step 2: Convert to fraction form
    877,242,002.60/1,315,863,003.90 = 739,492,495.40/x
  3. Step 3: Cross multiply
    877,242,002.60x = 1,315,863,003.90 × 739,492,495.40
  4. Step 4: Simplify right side
    877,242,002.60x = 973,070,816,358,550,912
  5. Step 5: Solve for x
    x = 973,070,816,358,550,912/877,242,002.60
  6. Step 6: Final answer
    x = 1,109,238,743.10

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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.