Home / 514,651,130.40-710,224,045.80-279,701,807.88

Finding the Fourth Proportional to 514,651,130.40, 710,224,045.80 and 279,701,807.88

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Solution

The fourth proportional to 514,651,130.40, 710,224,045.80 and 279,701,807.88 is: 385,991,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,130.40 : 710,224,045.80 = 279,701,807.88 : x
  2. Step 2: Convert to fraction form
    514,651,130.40/710,224,045.80 = 279,701,807.88/x
  3. Step 3: Cross multiply
    514,651,130.40x = 710,224,045.80 × 279,701,807.88
  4. Step 4: Simplify right side
    514,651,130.40x = 198,650,949,610,107,904
  5. Step 5: Solve for x
    x = 198,650,949,610,107,904/514,651,130.40
  6. Step 6: Final answer
    x = 385,991,476.31

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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.