Home / 1,276,501,688.40-1,914,852,065.40-549,514,117.20

Finding the Fourth Proportional to 1,276,501,688.40, 1,914,852,065.40 and 549,514,117.20

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Solution

The fourth proportional to 1,276,501,688.40, 1,914,852,065.40 and 549,514,117.20 is: 824,314,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,501,688.40 : 1,914,852,065.40 = 549,514,117.20 : x
  2. Step 2: Convert to fraction form
    1,276,501,688.40/1,914,852,065.40 = 549,514,117.20/x
  3. Step 3: Cross multiply
    1,276,501,688.40x = 1,914,852,065.40 × 549,514,117.20
  4. Step 4: Simplify right side
    1,276,501,688.40x = 1,052,238,242,286,877,824
  5. Step 5: Solve for x
    x = 1,052,238,242,286,877,824/1,276,501,688.40
  6. Step 6: Final answer
    x = 824,314,023.12

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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.