Home / 747,341,569.60-1,121,012,354.40-553,631,325.10

Finding the Fourth Proportional to 747,341,569.60, 1,121,012,354.40 and 553,631,325.10

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Solution

The fourth proportional to 747,341,569.60, 1,121,012,354.40 and 553,631,325.10 is: 830,446,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,341,569.60 : 1,121,012,354.40 = 553,631,325.10 : x
  2. Step 2: Convert to fraction form
    747,341,569.60/1,121,012,354.40 = 553,631,325.10/x
  3. Step 3: Cross multiply
    747,341,569.60x = 1,121,012,354.40 × 553,631,325.10
  4. Step 4: Simplify right side
    747,341,569.60x = 620,627,555,219,942,912
  5. Step 5: Solve for x
    x = 620,627,555,219,942,912/747,341,569.60
  6. Step 6: Final answer
    x = 830,446,987.65

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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.