Home / 556,446,004.68-838,668,681.93-479,649,835.20

Finding the Fourth Proportional to 556,446,004.68, 838,668,681.93 and 479,649,835.20

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Solution

The fourth proportional to 556,446,004.68, 838,668,681.93 and 479,649,835.20 is: 722,922,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,446,004.68 : 838,668,681.93 = 479,649,835.20 : x
  2. Step 2: Convert to fraction form
    556,446,004.68/838,668,681.93 = 479,649,835.20/x
  3. Step 3: Cross multiply
    556,446,004.68x = 838,668,681.93 × 479,649,835.20
  4. Step 4: Simplify right side
    556,446,004.68x = 402,267,295,075,125,696
  5. Step 5: Solve for x
    x = 402,267,295,075,125,696/556,446,004.68
  6. Step 6: Final answer
    x = 722,922,424.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.