Home / 507,147,966.80-760,721,950.20-183,989,848.40

Finding the Fourth Proportional to 507,147,966.80, 760,721,950.20 and 183,989,848.40

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Solution

The fourth proportional to 507,147,966.80, 760,721,950.20 and 183,989,848.40 is: 275,984,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,147,966.80 : 760,721,950.20 = 183,989,848.40 : x
  2. Step 2: Convert to fraction form
    507,147,966.80/760,721,950.20 = 183,989,848.40/x
  3. Step 3: Cross multiply
    507,147,966.80x = 760,721,950.20 × 183,989,848.40
  4. Step 4: Simplify right side
    507,147,966.80x = 139,965,116,291,850,368
  5. Step 5: Solve for x
    x = 139,965,116,291,850,368/507,147,966.80
  6. Step 6: Final answer
    x = 275,984,772.60

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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.