Home / 833,154,327.30-1,249,731,490.95-698,113,200.90

Finding the Fourth Proportional to 833,154,327.30, 1,249,731,490.95 and 698,113,200.90

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Solution

The fourth proportional to 833,154,327.30, 1,249,731,490.95 and 698,113,200.90 is: 1,047,169,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,154,327.30 : 1,249,731,490.95 = 698,113,200.90 : x
  2. Step 2: Convert to fraction form
    833,154,327.30/1,249,731,490.95 = 698,113,200.90/x
  3. Step 3: Cross multiply
    833,154,327.30x = 1,249,731,490.95 × 698,113,200.90
  4. Step 4: Simplify right side
    833,154,327.30x = 872,454,051,412,633,856
  5. Step 5: Solve for x
    x = 872,454,051,412,633,856/833,154,327.30
  6. Step 6: Final answer
    x = 1,047,169,801.35

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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.