Home / 805,751,036.60-1,208,626,554.92-710,516,809.40

Finding the Fourth Proportional to 805,751,036.60, 1,208,626,554.92 and 710,516,809.40

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Solution

The fourth proportional to 805,751,036.60, 1,208,626,554.92 and 710,516,809.40 is: 1,065,775,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,751,036.60 : 1,208,626,554.92 = 710,516,809.40 : x
  2. Step 2: Convert to fraction form
    805,751,036.60/1,208,626,554.92 = 710,516,809.40/x
  3. Step 3: Cross multiply
    805,751,036.60x = 1,208,626,554.92 × 710,516,809.40
  4. Step 4: Simplify right side
    805,751,036.60x = 858,749,483,557,872,256
  5. Step 5: Solve for x
    x = 858,749,483,557,872,256/805,751,036.60
  6. Step 6: Final answer
    x = 1,065,775,214.12

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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.