Home / 688,293,746.40-949,833,364.32-375,030,549.12

Finding the Fourth Proportional to 688,293,746.40, 949,833,364.32 and 375,030,549.12

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Solution

The fourth proportional to 688,293,746.40, 949,833,364.32 and 375,030,549.12 is: 517,535,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,293,746.40 : 949,833,364.32 = 375,030,549.12 : x
  2. Step 2: Convert to fraction form
    688,293,746.40/949,833,364.32 = 375,030,549.12/x
  3. Step 3: Cross multiply
    688,293,746.40x = 949,833,364.32 × 375,030,549.12
  4. Step 4: Simplify right side
    688,293,746.40x = 356,216,528,193,426,624
  5. Step 5: Solve for x
    x = 356,216,528,193,426,624/688,293,746.40
  6. Step 6: Final answer
    x = 517,535,616.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.