Home / 402,395,791,603.60-555,307,918,814.20-219,496,879,055.80

Finding the Fourth Proportional to 402,395,791,603.60, 555,307,918,814.20 and 219,496,879,055.80

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Solution

The fourth proportional to 402,395,791,603.60, 555,307,918,814.20 and 219,496,879,055.80 is: 302,906,634,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,395,791,603.60 : 555,307,918,814.20 = 219,496,879,055.80 : x
  2. Step 2: Convert to fraction form
    402,395,791,603.60/555,307,918,814.20 = 219,496,879,055.80/x
  3. Step 3: Cross multiply
    402,395,791,603.60x = 555,307,918,814.20 × 219,496,879,055.80
  4. Step 4: Simplify right side
    402,395,791,603.60x = 121,888,355,094,688,446,808,064
  5. Step 5: Solve for x
    x = 121,888,355,094,688,446,808,064/402,395,791,603.60
  6. Step 6: Final answer
    x = 302,906,634,805.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.