Home / 977,071,889.60-1,465,607,834.40-517,906,865.60

Finding the Fourth Proportional to 977,071,889.60, 1,465,607,834.40 and 517,906,865.60

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Solution

The fourth proportional to 977,071,889.60, 1,465,607,834.40 and 517,906,865.60 is: 776,860,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,071,889.60 : 1,465,607,834.40 = 517,906,865.60 : x
  2. Step 2: Convert to fraction form
    977,071,889.60/1,465,607,834.40 = 517,906,865.60/x
  3. Step 3: Cross multiply
    977,071,889.60x = 1,465,607,834.40 × 517,906,865.60
  4. Step 4: Simplify right side
    977,071,889.60x = 759,048,359,712,907,904
  5. Step 5: Solve for x
    x = 759,048,359,712,907,904/977,071,889.60
  6. Step 6: Final answer
    x = 776,860,298.40

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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.