Home / 750,764,497.50-1,125,358,430.40-252,602,075.34

Finding the Fourth Proportional to 750,764,497.50, 1,125,358,430.40 and 252,602,075.34

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Solution

The fourth proportional to 750,764,497.50, 1,125,358,430.40 and 252,602,075.34 is: 378,637,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,764,497.50 : 1,125,358,430.40 = 252,602,075.34 : x
  2. Step 2: Convert to fraction form
    750,764,497.50/1,125,358,430.40 = 252,602,075.34/x
  3. Step 3: Cross multiply
    750,764,497.50x = 1,125,358,430.40 × 252,602,075.34
  4. Step 4: Simplify right side
    750,764,497.50x = 284,267,875,020,404,960
  5. Step 5: Solve for x
    x = 284,267,875,020,404,960/750,764,497.50
  6. Step 6: Final answer
    x = 378,637,876.41

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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.