Home / 1,268,346,399.12-1,750,314,447.54-703,916,495.10

Finding the Fourth Proportional to 1,268,346,399.12, 1,750,314,447.54 and 703,916,495.10

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Solution

The fourth proportional to 1,268,346,399.12, 1,750,314,447.54 and 703,916,495.10 is: 971,402,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,346,399.12 : 1,750,314,447.54 = 703,916,495.10 : x
  2. Step 2: Convert to fraction form
    1,268,346,399.12/1,750,314,447.54 = 703,916,495.10/x
  3. Step 3: Cross multiply
    1,268,346,399.12x = 1,750,314,447.54 × 703,916,495.10
  4. Step 4: Simplify right side
    1,268,346,399.12x = 1,232,075,211,235,249,664
  5. Step 5: Solve for x
    x = 1,232,075,211,235,249,664/1,268,346,399.12
  6. Step 6: Final answer
    x = 971,402,774.58

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1.5x scale

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.