Home / 1,328,157,629.60-1,992,803,314.80-637,709,482.40

Finding the Fourth Proportional to 1,328,157,629.60, 1,992,803,314.80 and 637,709,482.40

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Solution

The fourth proportional to 1,328,157,629.60, 1,992,803,314.80 and 637,709,482.40 is: 956,836,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,157,629.60 : 1,992,803,314.80 = 637,709,482.40 : x
  2. Step 2: Convert to fraction form
    1,328,157,629.60/1,992,803,314.80 = 637,709,482.40/x
  3. Step 3: Cross multiply
    1,328,157,629.60x = 1,992,803,314.80 × 637,709,482.40
  4. Step 4: Simplify right side
    1,328,157,629.60x = 1,270,829,570,406,112,256
  5. Step 5: Solve for x
    x = 1,270,829,570,406,112,256/1,328,157,629.60
  6. Step 6: Final answer
    x = 956,836,404.12

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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.