Home / 497,887,356.52-686,445,826.98-408,249,041.32

Finding the Fourth Proportional to 497,887,356.52, 686,445,826.98 and 408,249,041.32

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Solution

The fourth proportional to 497,887,356.52, 686,445,826.98 and 408,249,041.32 is: 562,859,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,887,356.52 : 686,445,826.98 = 408,249,041.32 : x
  2. Step 2: Convert to fraction form
    497,887,356.52/686,445,826.98 = 408,249,041.32/x
  3. Step 3: Cross multiply
    497,887,356.52x = 686,445,826.98 × 408,249,041.32
  4. Step 4: Simplify right side
    497,887,356.52x = 280,240,850,782,699,584
  5. Step 5: Solve for x
    x = 280,240,850,782,699,584/497,887,356.52
  6. Step 6: Final answer
    x = 562,859,946.36

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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.