Home / 1,090,495,320.45-1,635,742,980.68-918,308,436.45

Finding the Fourth Proportional to 1,090,495,320.45, 1,635,742,980.68 and 918,308,436.45

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Solution

The fourth proportional to 1,090,495,320.45, 1,635,742,980.68 and 918,308,436.45 is: 1,377,462,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,495,320.45 : 1,635,742,980.68 = 918,308,436.45 : x
  2. Step 2: Convert to fraction form
    1,090,495,320.45/1,635,742,980.68 = 918,308,436.45/x
  3. Step 3: Cross multiply
    1,090,495,320.45x = 1,635,742,980.68 × 918,308,436.45
  4. Step 4: Simplify right side
    1,090,495,320.45x = 1,502,116,579,017,721,856
  5. Step 5: Solve for x
    x = 1,502,116,579,017,721,856/1,090,495,320.45
  6. Step 6: Final answer
    x = 1,377,462,654.68

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Double scale
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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.