Home / 19,315,584,768.40-28,973,377,152.60-10,499,616,307.60

Finding the Fourth Proportional to 19,315,584,768.40, 28,973,377,152.60 and 10,499,616,307.60

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Solution

The fourth proportional to 19,315,584,768.40, 28,973,377,152.60 and 10,499,616,307.60 is: 15,749,424,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,768.40 : 28,973,377,152.60 = 10,499,616,307.60 : x
  2. Step 2: Convert to fraction form
    19,315,584,768.40/28,973,377,152.60 = 10,499,616,307.60/x
  3. Step 3: Cross multiply
    19,315,584,768.40x = 28,973,377,152.60 × 10,499,616,307.60
  4. Step 4: Simplify right side
    19,315,584,768.40x = 304,209,343,237,684,199,424
  5. Step 5: Solve for x
    x = 304,209,343,237,684,199,424/19,315,584,768.40
  6. Step 6: Final answer
    x = 15,749,424,461.40

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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.