Home / 1,090,495,287.45-1,635,742,931.18-918,308,403.45

Finding the Fourth Proportional to 1,090,495,287.45, 1,635,742,931.18 and 918,308,403.45

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Solution

The fourth proportional to 1,090,495,287.45, 1,635,742,931.18 and 918,308,403.45 is: 1,377,462,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,495,287.45 : 1,635,742,931.18 = 918,308,403.45 : x
  2. Step 2: Convert to fraction form
    1,090,495,287.45/1,635,742,931.18 = 918,308,403.45/x
  3. Step 3: Cross multiply
    1,090,495,287.45x = 1,635,742,931.18 × 918,308,403.45
  4. Step 4: Simplify right side
    1,090,495,287.45x = 1,502,116,479,581,937,408
  5. Step 5: Solve for x
    x = 1,502,116,479,581,937,408/1,090,495,287.45
  6. Step 6: Final answer
    x = 1,377,462,605.18

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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.