Home / 718,346,041.60-1,074,828,566.40-511,562,502.40

Finding the Fourth Proportional to 718,346,041.60, 1,074,828,566.40 and 511,562,502.40

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Solution

The fourth proportional to 718,346,041.60, 1,074,828,566.40 and 511,562,502.40 is: 765,427,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,346,041.60 : 1,074,828,566.40 = 511,562,502.40 : x
  2. Step 2: Convert to fraction form
    718,346,041.60/1,074,828,566.40 = 511,562,502.40/x
  3. Step 3: Cross multiply
    718,346,041.60x = 1,074,828,566.40 × 511,562,502.40
  4. Step 4: Simplify right side
    718,346,041.60x = 549,841,991,078,588,608
  5. Step 5: Solve for x
    x = 549,841,991,078,588,608/718,346,041.60
  6. Step 6: Final answer
    x = 765,427,745.46

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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.