Home / 1,077,657,459.20-1,616,486,188.80-974,345,328.80

Finding the Fourth Proportional to 1,077,657,459.20, 1,616,486,188.80 and 974,345,328.80

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Solution

The fourth proportional to 1,077,657,459.20, 1,616,486,188.80 and 974,345,328.80 is: 1,461,517,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,657,459.20 : 1,616,486,188.80 = 974,345,328.80 : x
  2. Step 2: Convert to fraction form
    1,077,657,459.20/1,616,486,188.80 = 974,345,328.80/x
  3. Step 3: Cross multiply
    1,077,657,459.20x = 1,616,486,188.80 × 974,345,328.80
  4. Step 4: Simplify right side
    1,077,657,459.20x = 1,575,015,767,126,994,688
  5. Step 5: Solve for x
    x = 1,575,015,767,126,994,688/1,077,657,459.20
  6. Step 6: Final answer
    x = 1,461,517,993.20

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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.