Home / 581,692,639.94-802,983,534.59-391,064,215.02

Finding the Fourth Proportional to 581,692,639.94, 802,983,534.59 and 391,064,215.02

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Solution

The fourth proportional to 581,692,639.94, 802,983,534.59 and 391,064,215.02 is: 539,835,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,692,639.94 : 802,983,534.59 = 391,064,215.02 : x
  2. Step 2: Convert to fraction form
    581,692,639.94/802,983,534.59 = 391,064,215.02/x
  3. Step 3: Cross multiply
    581,692,639.94x = 802,983,534.59 × 391,064,215.02
  4. Step 4: Simplify right side
    581,692,639.94x = 314,018,125,626,468,032
  5. Step 5: Solve for x
    x = 314,018,125,626,468,032/581,692,639.94
  6. Step 6: Final answer
    x = 539,835,136.41

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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.