Home / 744,075,055.70-1,026,300,798.23-489,675,358.45

Finding the Fourth Proportional to 744,075,055.70, 1,026,300,798.23 and 489,675,358.45

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Solution

The fourth proportional to 744,075,055.70, 1,026,300,798.23 and 489,675,358.45 is: 675,407,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,075,055.70 : 1,026,300,798.23 = 489,675,358.45 : x
  2. Step 2: Convert to fraction form
    744,075,055.70/1,026,300,798.23 = 489,675,358.45/x
  3. Step 3: Cross multiply
    744,075,055.70x = 1,026,300,798.23 × 489,675,358.45
  4. Step 4: Simplify right side
    744,075,055.70x = 502,554,211,243,863,104
  5. Step 5: Solve for x
    x = 502,554,211,243,863,104/744,075,055.70
  6. Step 6: Final answer
    x = 675,407,954.34

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Double scale
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1.5x scale

Why These Related Problems?

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