Home / 712,716,224,331.48-983,567,030,271.96-387,574,532,358.18

Finding the Fourth Proportional to 712,716,224,331.48, 983,567,030,271.96 and 387,574,532,358.18

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Solution

The fourth proportional to 712,716,224,331.48, 983,567,030,271.96 and 387,574,532,358.18 is: 534,862,991,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,716,224,331.48 : 983,567,030,271.96 = 387,574,532,358.18 : x
  2. Step 2: Convert to fraction form
    712,716,224,331.48/983,567,030,271.96 = 387,574,532,358.18/x
  3. Step 3: Cross multiply
    712,716,224,331.48x = 983,567,030,271.96 × 387,574,532,358.18
  4. Step 4: Simplify right side
    712,716,224,331.48x = 381,205,531,800,578,767,716,352
  5. Step 5: Solve for x
    x = 381,205,531,800,578,767,716,352/712,716,224,331.48
  6. Step 6: Final answer
    x = 534,862,991,449.57

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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.