Home / 983,264,129.10-1,356,905,957.22-559,878,135.48

Finding the Fourth Proportional to 983,264,129.10, 1,356,905,957.22 and 559,878,135.48

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Solution

The fourth proportional to 983,264,129.10, 1,356,905,957.22 and 559,878,135.48 is: 772,632,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,264,129.10 : 1,356,905,957.22 = 559,878,135.48 : x
  2. Step 2: Convert to fraction form
    983,264,129.10/1,356,905,957.22 = 559,878,135.48/x
  3. Step 3: Cross multiply
    983,264,129.10x = 1,356,905,957.22 × 559,878,135.48
  4. Step 4: Simplify right side
    983,264,129.10x = 759,701,977,350,038,272
  5. Step 5: Solve for x
    x = 759,701,977,350,038,272/983,264,129.10
  6. Step 6: Final answer
    x = 772,632,657.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.