Home / 707,424,250.20-1,060,128,605.70-521,742,701.40

Finding the Fourth Proportional to 707,424,250.20, 1,060,128,605.70 and 521,742,701.40

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Solution

The fourth proportional to 707,424,250.20, 1,060,128,605.70 and 521,742,701.40 is: 781,870,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,424,250.20 : 1,060,128,605.70 = 521,742,701.40 : x
  2. Step 2: Convert to fraction form
    707,424,250.20/1,060,128,605.70 = 521,742,701.40/x
  3. Step 3: Cross multiply
    707,424,250.20x = 1,060,128,605.70 × 521,742,701.40
  4. Step 4: Simplify right side
    707,424,250.20x = 553,114,362,569,333,440
  5. Step 5: Solve for x
    x = 553,114,362,569,333,440/707,424,250.20
  6. Step 6: Final answer
    x = 781,870,797.35

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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.