Home / 1,406,355,395.74-2,109,531,985.41-423,781,946.63

Finding the Fourth Proportional to 1,406,355,395.74, 2,109,531,985.41 and 423,781,946.63

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Solution

The fourth proportional to 1,406,355,395.74, 2,109,531,985.41 and 423,781,946.63 is: 635,672,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,355,395.74 : 2,109,531,985.41 = 423,781,946.63 : x
  2. Step 2: Convert to fraction form
    1,406,355,395.74/2,109,531,985.41 = 423,781,946.63/x
  3. Step 3: Cross multiply
    1,406,355,395.74x = 2,109,531,985.41 × 423,781,946.63
  4. Step 4: Simplify right side
    1,406,355,395.74x = 893,981,571,254,272,128
  5. Step 5: Solve for x
    x = 893,981,571,254,272,128/1,406,355,395.74
  6. Step 6: Final answer
    x = 635,672,586.01

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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.