Home / 1,249,731,519.20-1,874,597,278.80-1,047,169,829.60

Finding the Fourth Proportional to 1,249,731,519.20, 1,874,597,278.80 and 1,047,169,829.60

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Solution

The fourth proportional to 1,249,731,519.20, 1,874,597,278.80 and 1,047,169,829.60 is: 1,570,754,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,731,519.20 : 1,874,597,278.80 = 1,047,169,829.60 : x
  2. Step 2: Convert to fraction form
    1,249,731,519.20/1,874,597,278.80 = 1,047,169,829.60/x
  3. Step 3: Cross multiply
    1,249,731,519.20x = 1,874,597,278.80 × 1,047,169,829.60
  4. Step 4: Simplify right side
    1,249,731,519.20x = 1,963,021,713,009,619,712
  5. Step 5: Solve for x
    x = 1,963,021,713,009,619,712/1,249,731,519.20
  6. Step 6: Final answer
    x = 1,570,754,744.40

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1.5x scale

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.