Home / 1,010,977,499.40-1,516,634,210.70-397,581,736.20

Finding the Fourth Proportional to 1,010,977,499.40, 1,516,634,210.70 and 397,581,736.20

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Solution

The fourth proportional to 1,010,977,499.40, 1,516,634,210.70 and 397,581,736.20 is: 596,438,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,977,499.40 : 1,516,634,210.70 = 397,581,736.20 : x
  2. Step 2: Convert to fraction form
    1,010,977,499.40/1,516,634,210.70 = 397,581,736.20/x
  3. Step 3: Cross multiply
    1,010,977,499.40x = 1,516,634,210.70 × 397,581,736.20
  4. Step 4: Simplify right side
    1,010,977,499.40x = 602,986,062,670,422,656
  5. Step 5: Solve for x
    x = 602,986,062,670,422,656/1,010,977,499.40
  6. Step 6: Final answer
    x = 596,438,657.66

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Double scale
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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.