Home / 539,154,038.90-808,731,058.35-517,990,877.30

Finding the Fourth Proportional to 539,154,038.90, 808,731,058.35 and 517,990,877.30

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Solution

The fourth proportional to 539,154,038.90, 808,731,058.35 and 517,990,877.30 is: 776,986,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,154,038.90 : 808,731,058.35 = 517,990,877.30 : x
  2. Step 2: Convert to fraction form
    539,154,038.90/808,731,058.35 = 517,990,877.30/x
  3. Step 3: Cross multiply
    539,154,038.90x = 808,731,058.35 × 517,990,877.30
  4. Step 4: Simplify right side
    539,154,038.90x = 418,915,310,414,473,984
  5. Step 5: Solve for x
    x = 418,915,310,414,473,984/539,154,038.90
  6. Step 6: Final answer
    x = 776,986,315.95

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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.