Home / 438,050,332.40-657,075,498.60-265,721,730.80

Finding the Fourth Proportional to 438,050,332.40, 657,075,498.60 and 265,721,730.80

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Solution

The fourth proportional to 438,050,332.40, 657,075,498.60 and 265,721,730.80 is: 398,582,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,050,332.40 : 657,075,498.60 = 265,721,730.80 : x
  2. Step 2: Convert to fraction form
    438,050,332.40/657,075,498.60 = 265,721,730.80/x
  3. Step 3: Cross multiply
    438,050,332.40x = 657,075,498.60 × 265,721,730.80
  4. Step 4: Simplify right side
    438,050,332.40x = 174,599,238,754,264,992
  5. Step 5: Solve for x
    x = 174,599,238,754,264,992/438,050,332.40
  6. Step 6: Final answer
    x = 398,582,596.20

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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.