Home / 692,609,847.48-1,038,921,497.27-554,091,337.77

Finding the Fourth Proportional to 692,609,847.48, 1,038,921,497.27 and 554,091,337.77

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Solution

The fourth proportional to 692,609,847.48, 1,038,921,497.27 and 554,091,337.77 is: 831,142,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,609,847.48 : 1,038,921,497.27 = 554,091,337.77 : x
  2. Step 2: Convert to fraction form
    692,609,847.48/1,038,921,497.27 = 554,091,337.77/x
  3. Step 3: Cross multiply
    692,609,847.48x = 1,038,921,497.27 × 554,091,337.77
  4. Step 4: Simplify right side
    692,609,847.48x = 575,657,402,267,645,888
  5. Step 5: Solve for x
    x = 575,657,402,267,645,888/692,609,847.48
  6. Step 6: Final answer
    x = 831,142,387.54

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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.