Home / 712,716,224,328.87-983,567,030,268.33-387,574,532,355.54

Finding the Fourth Proportional to 712,716,224,328.87, 983,567,030,268.33 and 387,574,532,355.54

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Solution

The fourth proportional to 712,716,224,328.87, 983,567,030,268.33 and 387,574,532,355.54 is: 534,862,991,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,716,224,328.87 : 983,567,030,268.33 = 387,574,532,355.54 : x
  2. Step 2: Convert to fraction form
    712,716,224,328.87/983,567,030,268.33 = 387,574,532,355.54/x
  3. Step 3: Cross multiply
    712,716,224,328.87x = 983,567,030,268.33 × 387,574,532,355.54
  4. Step 4: Simplify right side
    712,716,224,328.87x = 381,205,531,796,575,187,107,840
  5. Step 5: Solve for x
    x = 381,205,531,796,575,187,107,840/712,716,224,328.87
  6. Step 6: Final answer
    x = 534,862,991,445.91

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Double scale
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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.