Home / 970,334,438.40-1,454,509,634.40-478,290,931.20

Finding the Fourth Proportional to 970,334,438.40, 1,454,509,634.40 and 478,290,931.20

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Solution

The fourth proportional to 970,334,438.40, 1,454,509,634.40 and 478,290,931.20 is: 716,947,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,334,438.40 : 1,454,509,634.40 = 478,290,931.20 : x
  2. Step 2: Convert to fraction form
    970,334,438.40/1,454,509,634.40 = 478,290,931.20/x
  3. Step 3: Cross multiply
    970,334,438.40x = 1,454,509,634.40 × 478,290,931.20
  4. Step 4: Simplify right side
    970,334,438.40x = 695,678,767,476,547,584
  5. Step 5: Solve for x
    x = 695,678,767,476,547,584/970,334,438.40
  6. Step 6: Final answer
    x = 716,947,415.19

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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.