Home / 631,154,466.70-946,731,700.05-355,655,452.30

Finding the Fourth Proportional to 631,154,466.70, 946,731,700.05 and 355,655,452.30

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Solution

The fourth proportional to 631,154,466.70, 946,731,700.05 and 355,655,452.30 is: 533,483,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,154,466.70 : 946,731,700.05 = 355,655,452.30 : x
  2. Step 2: Convert to fraction form
    631,154,466.70/946,731,700.05 = 355,655,452.30/x
  3. Step 3: Cross multiply
    631,154,466.70x = 946,731,700.05 × 355,655,452.30
  4. Step 4: Simplify right side
    631,154,466.70x = 336,710,290,988,030,656
  5. Step 5: Solve for x
    x = 336,710,290,988,030,656/631,154,466.70
  6. Step 6: Final answer
    x = 533,483,178.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.