Home / 937,720,373.03-1,406,223,019.52-315,768,618.30

Finding the Fourth Proportional to 937,720,373.03, 1,406,223,019.52 and 315,768,618.30

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Solution

The fourth proportional to 937,720,373.03, 1,406,223,019.52 and 315,768,618.30 is: 473,532,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,720,373.03 : 1,406,223,019.52 = 315,768,618.30 : x
  2. Step 2: Convert to fraction form
    937,720,373.03/1,406,223,019.52 = 315,768,618.30/x
  3. Step 3: Cross multiply
    937,720,373.03x = 1,406,223,019.52 × 315,768,618.30
  4. Step 4: Simplify right side
    937,720,373.03x = 444,041,099,900,333,120
  5. Step 5: Solve for x
    x = 444,041,099,900,333,120/937,720,373.03
  6. Step 6: Final answer
    x = 473,532,529.18

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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.