Home / 358,120,689.60-537,181,034.40-249,281,572.80

Finding the Fourth Proportional to 358,120,689.60, 537,181,034.40 and 249,281,572.80

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Solution

The fourth proportional to 358,120,689.60, 537,181,034.40 and 249,281,572.80 is: 373,922,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,120,689.60 : 537,181,034.40 = 249,281,572.80 : x
  2. Step 2: Convert to fraction form
    358,120,689.60/537,181,034.40 = 249,281,572.80/x
  3. Step 3: Cross multiply
    358,120,689.60x = 537,181,034.40 × 249,281,572.80
  4. Step 4: Simplify right side
    358,120,689.60x = 133,909,333,133,562,912
  5. Step 5: Solve for x
    x = 133,909,333,133,562,912/358,120,689.60
  6. Step 6: Final answer
    x = 373,922,359.20

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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.