Home / 1,457,257,248.72-2,185,374,416.49-407,713,421.39

Finding the Fourth Proportional to 1,457,257,248.72, 2,185,374,416.49 and 407,713,421.39

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Solution

The fourth proportional to 1,457,257,248.72, 2,185,374,416.49 and 407,713,421.39 is: 611,427,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,257,248.72 : 2,185,374,416.49 = 407,713,421.39 : x
  2. Step 2: Convert to fraction form
    1,457,257,248.72/2,185,374,416.49 = 407,713,421.39/x
  3. Step 3: Cross multiply
    1,457,257,248.72x = 2,185,374,416.49 × 407,713,421.39
  4. Step 4: Simplify right side
    1,457,257,248.72x = 891,006,480,354,385,792
  5. Step 5: Solve for x
    x = 891,006,480,354,385,792/1,457,257,248.72
  6. Step 6: Final answer
    x = 611,427,036.05

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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.