Home / 832,329,064.72-1,147,693,844.64-530,436,376.45

Finding the Fourth Proportional to 832,329,064.72, 1,147,693,844.64 and 530,436,376.45

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Solution

The fourth proportional to 832,329,064.72, 1,147,693,844.64 and 530,436,376.45 is: 731,415,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,329,064.72 : 1,147,693,844.64 = 530,436,376.45 : x
  2. Step 2: Convert to fraction form
    832,329,064.72/1,147,693,844.64 = 530,436,376.45/x
  3. Step 3: Cross multiply
    832,329,064.72x = 1,147,693,844.64 × 530,436,376.45
  4. Step 4: Simplify right side
    832,329,064.72x = 608,778,564,224,810,880
  5. Step 5: Solve for x
    x = 608,778,564,224,810,880/832,329,064.72
  6. Step 6: Final answer
    x = 731,415,722.49

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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.