Home / 497,887,355.52-686,445,825.60-408,249,040.32

Finding the Fourth Proportional to 497,887,355.52, 686,445,825.60 and 408,249,040.32

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Solution

The fourth proportional to 497,887,355.52, 686,445,825.60 and 408,249,040.32 is: 562,859,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,887,355.52 : 686,445,825.60 = 408,249,040.32 : x
  2. Step 2: Convert to fraction form
    497,887,355.52/686,445,825.60 = 408,249,040.32/x
  3. Step 3: Cross multiply
    497,887,355.52x = 686,445,825.60 × 408,249,040.32
  4. Step 4: Simplify right side
    497,887,355.52x = 280,240,849,532,870,080
  5. Step 5: Solve for x
    x = 280,240,849,532,870,080/497,887,355.52
  6. Step 6: Final answer
    x = 562,859,944.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.