Home / 408,657,117.16-563,958,777.70-223,030,038.76

Finding the Fourth Proportional to 408,657,117.16, 563,958,777.70 and 223,030,038.76

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Solution

The fourth proportional to 408,657,117.16, 563,958,777.70 and 223,030,038.76 is: 307,787,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,657,117.16 : 563,958,777.70 = 223,030,038.76 : x
  2. Step 2: Convert to fraction form
    408,657,117.16/563,958,777.70 = 223,030,038.76/x
  3. Step 3: Cross multiply
    408,657,117.16x = 563,958,777.70 × 223,030,038.76
  4. Step 4: Simplify right side
    408,657,117.16x = 125,779,748,049,473,232
  5. Step 5: Solve for x
    x = 125,779,748,049,473,232/408,657,117.16
  6. Step 6: Final answer
    x = 307,787,978.64

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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.